Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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solve percent problems with proportions quick check hollys gross pay af…
C. 10.9%
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solve percent problems with proportions quick check rafeals family dinn…
B. $19.69
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solve percent problems with proportions quick check use proportional re…
\(\$54\) (corresponding to the option "C. \$54" if we assume the options are labeled A, B, C, D with A: \$3.62, B: \$82, C: \$54, D: \$50)
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circle true or false. 1 $(6.1 \\times 10^4) \\cdot (3.5 \\times 10^7) =…
False ### Question 2
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solve percent problems with proportions practice complete this assessme…
\( \$26.25 \)
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number of mistakes 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 2…
A. As the number of weeks in class increases, the number of keyboarding mistakes decreases.
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a scatterplot is produced to compare the number of hours that students …
C. As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.
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x | y 6 | 71 7 | 68 7.5 | 69 7.5 | 65 8 | 63 8.25 | 62 8.25 | 64 9 | 60…
(8, 35)
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1. a hiker descends $2\\frac{1}{2}$ miles each day for 4 days. write an…
The total change in elevation is 10 miles. ### Problem 2
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3. robin and trey love the cold weather. in fact, the colder the weathe…
Trey’s location is colder. Inequalities: \(-14.2 < -6.8\) and \(|-14.2| > |-6.8|\). ### Problem 2 (Lynn and Max's Depth)
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grade 8 unit 7 general mathematics (standards) name symbols of inequali…
If the first thermometer's temperature is \(T_1\) and the second is \(T_2\), and \(T_1=-6\), \(T_2 = - 4\), the inequalities are \(\boldsymbol{-6 < - 4}\) and \(\boldsymbol{-4 > -…
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name symbols of inequalities: reflection choose 3 questions to answer. …
Negative numbers are used to represent values less than zero (e.g., debt, sub - zero temperatures, elevation below sea level). They are important for quantifying losses, opposite …
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symbols of inequalities: reflection choose 3 questions to answer. - whe…
To answer these reflection questions, we'll address three of them with brief explanations: ### 1. When are negative numbers used and why are they important? Negative numbers repre…
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c. is the captain above or below water? what integer represents his ele…
The captain is above water. The integer representing his elevation is \( 23 \). ### Part d: Fishing Net's Elevation
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grade 6 unit 7 georgia’s k-12 mathematics standards c. is the captain a…
Since the problem is about integers, absolute values, and inequalities related to elevation (a common context in number sense and operations in Mathematics, specifically in the su…
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write two inequality statements to compare the following: 1. the relati…
### Part 2a: Diagram Explanation To draw the diagram: 1. **Define the Vertical Axis**: Let the horizontal line represent sea level (position \( 0 \)). Above sea level is positive,…
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symbols of inequalities: below sea level 1. below is a chart showing th…
To draw the vertical number line: 1. Draw a vertical line. Label \( 0 \) (sea level) at the top. 2. Choose a scale (e.g., interval of \( 5000 \) feet). Mark horizontal ticks downw…
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symbols of inequalities: having less is better? when is it better to ha…
There are many scenarios. For example, when it comes to debt (having less debt means less financial burden), illness (less illness means better health), pollution exposure (less e…
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grade 6 unit 7 georgias k-12 mathematics standards 6. mark the number l…
s: 6. Mark \(+4\) (for \(|-4|\)) and \(+3\) (for \(|3|\)) on the number line. 7a. \(\boldsymbol{\frac{3}{4} > -2}\) 7b. \(\boldsymbol{5 = \frac{10}{2}}\) 7c. \(\boldsymbol{-1 < 0}…
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in certain parts of east asia, many people live in cities. in fact, man…
To fill out the bar graph, we extract the number of cities with more than 1 million people for each region from the passage: - **China**: About 150 cities. - **Taiwan**: 6 cities.…
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the value of a painting increased by 179% from the end of 2017 to the e…
The net percentage increase is \( 103.67\% \)
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5 mark for review the box summarizes the distribution of 100 distinct v…
B. \(40\leq x\leq70\)
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while researching a topic, a student has taken the following notes: - b…
B. By using punched cards to automatically control which threads were lifted, the Jacquard loom allowed a single weaver to create intricate designs without a manual assistant.
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during the 2021 renovation of the 612 - seat lumen hall in bergen, norw…
A. Accordingly,
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the literary digests 1936 poll, which wrongly predicted a republican la…
C. representative of
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complete the paragraph with the phrase ted to the meaning of retrieve. …
bring it back
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with the proliferation of social media, many individuals have come to b…
A. Individuals who report high NFM scores and who also report low political knowledge are significantly less likely to vote in elections than are individuals who report high NFM s…
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heart of darkness is an 1899 novella by joseph conrad. the story follow…
C. “The wilderness had patted him on the head, and, behold, it was like a ball—an ivory ball; it had caressed him, and—lo!—he had withered; it had taken him, loved him, embraced h…
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3. jordyn ran 5 kilometres in 27 minutes one day. the next day, she ran…
Approximately $5.27$ minutes per kilometer. ### Part (b)
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2. harpreet reads 24 books in 13 months. alli reads 20 books in 9 month…
Harpreet's rate: \( \frac{24}{13}\approx1.85 \) books per month; Alli's rate: \( \frac{20}{9}\approx2.22 \) books per month ### Part (b)
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rates calculating rates 1. audra can buy a box of 6 cupcakes for $3.99 …
The cost per cupcake for the 6 - cupcake box is $\$0.665$ and for the 12 - cupcake box is approximately $\$0.458$. ### Part (b)
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a baker has 16 eggs and 15 cups of flour. - one batch of chocolate chip…
3 batches of chocolate chip, 2 batches of oatmeal raisin
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arrangements with restrictions eg 3. from the digits 2, 3, 4, 5, 6 a) h…
72 ### Part b) How many 4 - digit numbers would be even (ends with 2, 4 or 6)?
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arrangements with restrictions eg 2. there are 6 boys who enter a boat …
20160 ### Part (b)
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select the correct answer from each drop-down menu. who introduced the …
First drop - down: Adam Smith introduced the concept of laissez - faire, which means minimal government interference in the functioning of an economy.
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arrangements with restrictions eg 1. how many arrangements of the lette…
120 ### Part e: REM together in any order
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arrangements with restrictions eg 1. how many arrangements of the lette…
720 ### Part (b)
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permutations with restrictions eg. in how many ways can 5 boys and 4 gi…
The number of ways is \( \boldsymbol{2\times5!\times4! = 5760} \) (or using permutation notation \( _5P_5\times_4P_4+_4P_4\times_5P_5 = 5760 \)) ### Part (d)
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solve. simplify your answer.\\(\\log_{36} y + \\log_{36} 2 = \\frac{1}{…
\(3\)
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the manager of a juice bar polled 56 random customers to get feedback o…
9 ### Second Statement: Total number of children
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read this excerpt from edwardss sermon. the devil is waiting for them, …
The word "gaping" is effective because it creates a vivid, menacing image of hell as a wide - open, ready - to - consume space. This imagery stirs fear in the audience, emphasizin…
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a conditional relative frequency table is generated by column from a se…
There is likely an association between the categorical variables because the relative frequencies are not similar in value.
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the table gives a set of outcomes and their probabilities. let a be the…
\( 0.6 \)
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creating a conditional relative frequency table the frequency table rep…
For \(d\), the value is 0.8. So the answer for \(d\) is 0.8. If we consider the options, \(d = 0.8\). (Note: If the question is to find all a, b, c, d, but the options given are 0…
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how does the mean absolute deviation (mad) of the data in set 1 compare…
The MAD of set 1 is 13 more than the MAD of set 2.
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cory found the mass of four different toys. he put this data in the tab…
Toy 4 (since its mass is 15 grams, which is the smallest among 20, 28, 33, and 15 grams)
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answer the following question in 3-4 complete sentences. what is the im…
The image is an example of Egyptian metalworking, specifically a cartouche, which likely served to inscribe a pharaoh’s name for divine protection and to immortalize their identit…
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calculate the following probabilities. 7. calculate the probability of …
$\frac{1}{169}$ ### Question 8
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question use the graph to interpret and match the approximate intervals…
- Interval over which the difference of the numbers of sales is positive: \((-6.3, 10)\) - Interval over which the difference of the numbers of sales is decreasing: \((-9, - 3)\) …
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a recent poll of americans was used to present the public’s opinions co…
$\frac{143}{228}$ (or approximately 0.627) ### Problem 22
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how many solutions does the system of equations have? youre trying to f…
\( 3x - 5 = -5 + 3x \) (After setting the two expressions for \( y \) equal, we can observe that both sides are identical, meaning the system has infinitely many solutions, but fo…
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you just subtracted 3x from both sides of the equation and ended up wit…
The first box: false; The second box: no
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20) which question best illustrates the need for the adb? (client name)…
The second option: "Let's imagine (Breadwinner) passed away tomorrow. What would happen to his/her paychecks? They would stop, right? So… the paychecks stop, but the bills keep co…
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19) which question best illustrates the need for the a7i? (client name)…
The second option: "Let’s imagine (Breadwinner) passed away tomorrow. What would happen to his/her paychecks? They would stop, right? So… the paychecks stop, but the bills keep co…
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the hospital. how would you handle paying for all of that? 18) which qu…
The third option: (CLIENT NAME), how many people in your personal life do you know that have 40,000 extra dollars lying around... Money that if just disappeared, wouldn't be misse…
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16) which types of life insurance are temporary? select all that apply.…
A. Term Life ### Question 17
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9 what is the value of the expression below? $56 div \frac{1}{17}$ a $\…
D. 952
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3. what is the value of the expression... (options a - d with handwritt…
B. $13\frac{1}{4}$
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1 pax wants to make fruit punch for a party using the recipe below. fru…
D. 14.25 ### Question 2
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jonathan edwardss \sinners in the hands of an angry god\ instruction ac…
- It suggests that Martina is not happy to see Luis. - It explains more about how Martina feels. - It shows how angry Martina is at Luis.
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im2301_mvoa integrated math iii semester a_2439883 polynomial functions…
$\binom{10}{5}(5y)^5(3)^5$
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2. below are 2 boxes with black and white marbles. a box is selected an…
The conditional probability that a black marble came from Box 2 is \(\frac{9}{13}\)
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when luther used his calculator to solve a problem, the calculator said…
0.00592
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hair grows at a rate of around $5 \\times 10^{-2}$ inches per month, wh…
0.2
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select all of the true statements. 6 × 10⁴ is 30 times as much as 2 × 1…
B. \( 6 \times 10^{-3} \) is 0.15 times as much as \( 4 \times 10^{-2} \) C. \( 4 \times 10^2 \) is 8,000 times as much as \( 5 \times 10^{-2} \)
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a train in australia set a world record for operating the heaviest frei…
98
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an adult african elephant weighs about $1 \\times 10^4$ pounds. a baby …
50
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preston told his best friend that someone sailed around the world alone…
days
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select the correct answer. which event marked the start of the scramble…
B. colonization of Congo
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select all the correct answers. which two phrases best describe the und…
B. to form a lasting peace with just treaty terms, E. to provide security for all countries, including the Allied and Central Powers
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select all the correct text in the passage. which two lines most closel…
- "In the meantime, on a sudden, a grievous plague fell upon that corrupt generation, which soon destroyed such numbers of them, that the living scarcely availed to bury the dead:…
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tiles nationalism imperialism alliances militarism pairs meant to disco…
meant to discourage conflict; an agreement between European countries to help one another if attacked by another country → alliances buildup of armies and navies; increased weapon…
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answer the following. (a) an astronomer’s infrared telescope is able to…
(a) \(0.000532\) meters (b) \(1.21\times10^{5}\) kilometers
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read the two passages. passage 1 the need for standardized testing in e…
D. Passage 1 uses logical evidence, while passage 2 uses logical and anecdotal evidence (assuming D is the fourth option; if options are labeled as A - D, then D. Passage 1 uses l…
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geometry question 11: standard s.cp.2 if the probability of rolling an …
d. 1/12 ### Question 12
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question 6: standard s.cp.2 what are disjoint events? a. events that ca…
a. Events that cannot occur together ### Question 7
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question 1: standard s.cp.2 what is an event? a. probability b. somethi…
c. Chance of something happening ### Question 2
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question 23 your answer is correct. paul is hosting a party where he sh…
d) 21
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a 3 - quart tub of ice cream costs $7.56. what is the price per cup? hi…
\(0.63\)
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how could an adaptation change the theme of an older story? check all t…
B. Maintaining elements could change the whole meaning of the story C. Reinforcing elements could support the older story’s meaning F. Changing elements could change the story’s m…
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Question was provided via image upload.
10 #### a) 3% of 1000:
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which data set is the most spread from its mean? 14, 26, 24, 28 22, 16,…
B. 22, 16, 18, 36
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which data set is the most clustered around its mean? 4, 10, 8, 6 11, 3…
The data set \(4, 10, 8, 6\) has the smallest MAD (2), so it is the most clustered around its mean.
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the dot plot below shows 4 data points with a mean of 6. dot plot image…
4 (corresponding to the option "4")
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students reported volunteering at the animal shelter during the last 6 …
3 (corresponding to the option "3")
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the weights of six animals at the zoo are shown in the table below. wei…
22.7
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studied did not study 88 34 90 67 86 80 96 59 which statements about th…
- The mean absolute deviation for the group of students who did not study is 13.5. - The data for the group that did not study are more spread out than the data for the group that…
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the values for three sets of data are shown below. | data set | values …
A. Sets 1 and 2 contain outliers.
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how does the mean absolute deviation (mad) of the data in set 1 compare…
The MAD of set 1 is 10.5 less than the MAD of set 2.
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how does the mean absolute deviation (mad) of the data in set 2 compare…
The MAD of set 2 is 13.35 more than the MAD of set 1. (Corresponding option: The MAD of set 2 is 13.35 more than the MAD of set 1.)
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evaluating an outliers effect on mean absolute deviation tammy’s last f…
It will go up.
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evaluating an outliers effect on mean absolute deviation tammy’s last f…
s: - First blank (MAD of 68,76,70,74): 3 - Second blank (effect on MAD): It will increase - Third blank (new MAD with 92): 6.4
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describing data with mean absolute deviation a survey asked eight peopl…
The mean absolute deviation for people with a high school diploma is 1.5. So the answer for the dropdown is 1.5.
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describing data with mean absolute deviation a survey asked eight peopl…
s: 1. \(1.25\) 2. \(1.50\) 3. clustered around
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explaining mean absolute deviation calc explain the steps in calculatin…
1. Calculate the mean (\(\bar{x}=\frac{\sum_{i = 1}^{n}x_i}{n}\)) of the data set. 2. For each data point \(x_i\), find the absolute deviation \(|x_i-\bar{x}|\). 3. Sum all the ab…
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the values for three different sets of data are shown. | data set | dat…
Because Set 1 and Set 2 contain outliers.
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describing mean absolute deviation which statements are true about mean…
- The mean absolute deviation is impacted by outliers. - The mean absolute deviation is a measure of variation, or spread, of the data. - The higher the mean absolute deviation is…
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rin incorrectly calculated the mean absolute deviation for the data set…
Step 3 (Find the mean absolute deviation)
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calculating mean absolute deviation the hours students reported practic…
- The mean hours students reported practicing their instruments is \(33\). - The mean absolute deviation for the data is \(6\).
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the maximum throwing speeds of pitchers on one team are shown in the ta…
9