Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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scientific notation is a method for expressing very large or very small…
concise (or standard) ### 2nd blank:
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question. a. what fraction of 9 is 3? b. what fraction of 5 is \\(\\fra…
a. \( \frac{1}{3} \) b. \( \frac{1}{10} \)
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finding percent decrease in a real - world problem every year, a teache…
58.3%
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the graph shows the relationship between time and the number of soda bo…
32
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finding percent change a group of students held a fundraiser last year …
10%
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1) practice: summarizing fill in the blanks to complete the definition.…
A monomial usually has the form \(\boldsymbol{a x^{n}}\), where \(a\) is \(\boldsymbol{a \text{ constant (or coefficient)}}\) and \(n\) is \(\boldsymbol{a \text{ non - negative in…
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finding percent change jose and a group of friends bought concert ticke…
7%
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relating factors and multiples i - item 33576 coach green wants to divi…
Coach Green cannot form smaller equal - size groups because the number of players on her team is a prime number. This means that the number of players on the team has exactly 2 fa…
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part 1 of 2 complete the table. then, plot the pairs of values on the c…
For \( x = 4 \), \( y = 16 \); for \( x = 6 \), \( y = 24 \); for \( x = 8 \), \( y = 32 \); for \( x = 10 \), \( y = 40 \). So the completed table (from left to right in the seco…
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social media is a communication tool that should be treated with care a…
Social Media posts are just temporary.
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zeke and his friends are heading to light storm laser tag. they plan to…
15
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lets play \whats missing?\ work to find the missing amount in each equa…
The missing amount is 0.15, and the expression is \( 0.85 + 0.15 = 1.00 \)
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question 4 choose the three other names for the domain. (hint: page 250…
x - value, independent variable, input
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lets play \whats missing?\ work to find the missing amount in each equa…
\(0.40 + 0.60 = 1.00\) (the first equation)
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when ryan was born, he weighed 7 pounds. at 6 months, he weighed 11.2 p…
Amanda had a greater percent increase in weight. Ryan's percent increase was 60%, and Amanda's was 115%.
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question 2 choose the three other names for the output. (hint: page 204…
The three other names for the output are: - Dependent variable - Range - y - value (Note: In the provided image, 'domain' was incorrectly selected as it refers to the input set, n…
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Question was provided via image upload.
14%
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equation 1: $0.40 + ? = $1.00 make an expression that shows one way to …
\(\$0.40 + \$0.60\)
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due saturday by 11:59pm points 10 submitting an external tool the area.…
1.9
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the weather table predicts the chance of rain for five days. | day of t…
For example, comparing Monday (72%) and Tuesday (15%): The chance of rain on Monday (72%) is greater than on Tuesday (15%). (Other valid comparisons are also acceptable.) ### Part…
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complete the table. then, plot the pairs of values on the coordinate pl…
The completed table is: | 3 | 6 | 9 | 12 | 15 | |---|---|---|---|---| | 5 | 10 | 15 | 20 | 25 | So the values in the boxes (from left to right) are 10, 15, 20, 25.
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car x travels 144 miles in 3 hours. a. write the equation of the line t…
The equation of the line is \( \boldsymbol{y = 48x} \) ### Part b: Interpretation of the Graph
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1) ancient china was ruled by dynasties. a dynasty is a line of rulers …
Heaven gave the ruler the authority to rule.
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for the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and …
C. D: \(\{-4, 0, 1, 2\}\) R: \(\{-4, -3, 1\}\)
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week 8: measures of central tendency due saturday by 11:59pm points 10 …
\( 2.2 \) *(Note: If the actual frequency table/graph differs, adjust the \( x \) and \( f \) values. The above uses a common example structure for this problem type.)*
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the answer to an addition problem sum difference product quotient
A. sum
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question find the mode of the following number of states randomly selec…
13
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a spinner with repeated colors numbered from 1 to 8 is shown. sections …
The probability of landing on yellow is less than the probability of landing on blue.
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question given the following list of tips (in dollars) earned in the la…
28
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question given the following list of tips (in dollars) earned in the la…
\( 30.5 \)
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write the ratio as a fraction in simplest form, with whole numbers in t…
\(\frac{5}{8}\)
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week 8: measures of central tendency due saturday by 11:59pm points 10 …
12
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car x travels 174 miles in 3 hours. a. write the equation of the line t…
$y = 58x$ ### Part (b)
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four people have lunch at a buffet restaurant, where everyone pays the …
A. Price of food per person
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grace rakes leaves every day for one week. she fills the same number of…
3
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question using a calculator or statistical software, find the linear re…
\(y = 0.54x + 1.59\)
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car x travels 186 miles in 3 hours. a. write the equation of the line t…
\( y = 62x \) ### Part b: Graph Explanation
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here are the clues for a mystery number. - the number is a decimal betw…
7.90
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how many students took the survey? venn diagram with sections: 13, 2, 3…
53
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grace rakes leaves every day for one week. she fills the same number of…
\( 5b + 11 = 26 \)
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what is the equation of the trend line in the scatter plot? use the two…
\(y = 2x - 8\) Wait, no, wait, maybe I made a mistake. Let's recalculate. Wait, the two points: let's see, the lower yellow point is at \(x = 4\), \(y = 0\); upper yellow point at…
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Question was provided via image upload.
(for b and c): b. Rope C is \(\boldsymbol{3}\) times as long as Rope A. Multiplication equation: \(3 \times 3 = 9\) Division equation: \(9 \div 3 = 3\) c. Rope D is \(\boldsymbol{…
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what is the equation of the trend line in the scatter plot? use the two…
\(y=-\frac{9}{4}x + 18\)
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how can i think about the approximate size of 6.25? 6.25 6.00 6.50 7.00…
$\$6.00$, 6.00
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saturday by 11:59pm points 10 submitting an external tool enter your an…
\( y = 1.57x + 3.67 \) (or if using linear regression, \( y \approx 1.65x + 3.85 \), but likely the first method is intended as \( x=0 \) gives \( b \) directly)
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is each number closest to 3, 3.50, or 4? move each card to the correct …
- Closest to 3: 3.19, 3.05 - Closest to 3.50: 3.70 - Closest to 4: 3.91, 3.80
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select the correct answer. a restaurant owner wants to determine the ef…
D. As the sample size is appropriately large, the margin of error is 0.171.
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its time to play \whats nearby?\ is each number closest to 5, 6, or 7? …
- Closest to 5: 5.03, 5.30 - Closest to 6: 5.95, 6.10 - Closest to 7: 6.75
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what fraction of a group? 1. compare the lengths of ropes b, c, and d t…
a. Rope B is \( \boldsymbol{4} \) times as long as Rope A. Multiplication equation: \( 3 \times 4 = 12 \) (or \( L_A \times 4 = L_B \)) Division equation: \( 12 \div 3 = 4 \) (or …
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Question was provided via image upload.
0.13
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select the correct answer. the branch manager of a clothing store is an…
A. $44.87 and $46.93
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today you will play \whats nearby?\ you will sort decimals by thinking …
$1.00$; less than
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today you will play \whats nearby?\ you will sort decimals by thinking …
Closer to $1.00: $1.20, $1.15, $1.09 Closer to $2.00: $1.85, $1.90
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select the correct answer. in an attempt to be environmentally friendly…
D. 21.3
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find the mean of 3, 3, 8, 6 graphically. 3 + 3 + 8 + 6 = 20 what is the…
5
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select the correct answer. a local grocery store decides to offer a fre…
A. Given the choice of a banana or an apple, twice as many shoppers will select an apple.
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multiply $(x - 4)(2x + 3)$ using the distributive property. select the …
C. \((x - 4)(2x)+(x - 4)(3)\)
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the baker made a batch of chocolate chip, oatmeal raisin, and sugar coo…
B. Unlikely (assuming the option with "Unlikely" is labeled as B, but based on the selection in the image, the correct choice is the "Unlikely" option, which in the given options …
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ap statistics: chapter 5 test form 2 1. according to a report for veter…
E. Not enough information given to determine the probability. ### Question 2
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the table of values are shown. what is the range of the relation? from …
\((-8, -4, 4)\) (the first option)
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13. connor is going snowboarding. he has at most $480 to spend on the t…
4 (Connor can snowboard for 4 days as the number of days must be a non - negative integer and 4 is the largest integer less than or equal to 4.516)
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select the correct answer from the drop-down menu. the mean midday temp…
4
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20. the population of bears in a national forest is changing according …
A. The population is decreasing by 4% per year and the type of function shown is an exponential decay function.
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what is the equation of the trend line in the scatter plot? use the two…
\( y = x - 3 \)
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mr. dawson is making a grocery budget for the month of april. he plans …
The inequality is $\frac{x}{4} < 180$, and Mr. Dawson wants to spend less than $720 on groceries in April.
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what is the equation of the trend line in the scatter plot? use the two…
\( y = -\frac{3}{2}x + 12 \)
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if this trend continues, how many cars should the company plan to rent …
30
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what is the equation of the trend line in the scatter plot? use the two…
\(y=-x + 11\)
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22. ling has 87 coins in her coin collection. 65 of the coins are gold …
\( 22:65 \)
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in the auditorium there are 15 red chairs and 36 blue chairs. what is t…
36
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x | y -2 | 3 -1 | 5 0 | 7 1 | 9 2 | 11 what is the slope represented in…
slope: 2
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of the 100 people at a medical convention, 13 are men and the rest are …
87
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marguerite wants to rent a carpet cleaner. company a rents a carpet cle…
If Marguerite rents for 2 weeks, it will cost her less if she rents from Company B If Marguerite rents for 1 week, it will cost her the same at either company
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a donut shop made 21 donuts with frosting and 29 donuts without frostin…
21:50
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jamie is making an essay for her college course. the scatterplot shows …
C. 2100
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there are 3 female teachers and 25 male teachers at whitneys high schoo…
25:28
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based on the data, which inference is valid? a. time spent studying has…
D. There is a negative relationship between study time and test scores.
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2 of sally’s dominoes are standing and the other 25 dominoes have falle…
25:27
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mario has an empanada food truck. he earns $1.50 for every empanada sol…
100
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jayces town voted on a new law. there were 1 votes in favor of the law …
1:49
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last week, scarletts ice creamery sold 18 sundaes with nuts and 32 sund…
32:50
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the scatterplot shows the number of customers and the number of bottles…
C. 39
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select all ratios equivalent to 8:12. 13:24 32:48 12:18 submit
32:48, 12:18
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sort the following scatterplots under the correct correlation. positive…
- **Positive Correlation:** The third scatterplot (third from the top). - **Negative Correlation:** The first scatterplot (top). - **No Correlation:** The second and fourth scatte…
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select all ratios equivalent to 12:10. 4:2 6:5 24:20
The correct ratios equivalent to \(12:10\) are \(6:5\) and \(24:20\) (the middle and right options). The \(4:2\) is incorrect as shown in the steps. So the correct ones are: B. 6:…
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comparison of age and sickness # of time sick this year age (in years) …
C. The older you are the less likely you are to be sick.
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select all ratios equivalent to 3:2. 15:1 30:20 4:6
The only ratio equivalent to \( 3:2 \) is \( 30:20 \). So the correct option is \( 30:20 \).
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box plots label and/or calculate the 7 key features 3, 6, 7, 9, 9, 11, …
Min = 3, Q1 = 8, Median = 16, Q3 = 19.5, Max = 24, IQR = 11.5, No Outliers
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are the ratios 5:8 and 10:16 equivalent? yes no
yes
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are the ratios 3:9 and 2:6 equivalent? yes no
yes
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are the ratios 12:7 and 2:1 equivalent? yes no
no
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6 of 6 questions some inuit women are happy to share the meaning of the…
Some Inuit women are happy to share the meaning of their tattoos, but others prefer not to share because the meaning might be too complex or private.
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ivan picked up a toy with a mass of \\(\\frac{7}{12}\\) kilograms. then…
$\frac{2}{3}$
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find the number that makes the ratio equivalent to 70:40. \\boxed{}:8
14
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select the correct answer. to determine which window cleaner is most ef…
C. experiment
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how many students do not snowboard?
28
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which of the following measurements are expressed to 5 sigfigs? 147250 …
147250 cm, \(43.270\times10^{4}\) cm
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scatter plots and r value correlation_________ possible r value: ____ c…
(Example Answers Based on Typical Plots) Top - Left: Correlation = Positive, \( r = 0.8 \) Top - Right: Correlation = Negative, \( r = -0.7 \) Bottom - Left: Correlation = No Corr…
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dividing multiples of ten - item 41095 erica says that you can use the …
First blank: 3; Second blank: 30; Third blank: 30
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question 2a points 2 respond to the following in your own words using c…
The "Talented Tenth" (by W.E.B. Du Bois) refers to the most educated, capable, and visionary 10% of Black Americans. Du Bois argued this group—equipped with intellectual, moral, a…