Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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a local farm has a small grove of 18 citrus trees producing fruit that …
25.5
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an airplane has flown 260 miles out of a total trip of 500 miles. what …
$\frac{13}{25}$
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the stem-and-leaf plot below gives the test scores for mr. uzun’s engli…
(a) Fourth period range: 38; Fifth period range: 41 (b) Fourth period (c) Fourth period
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a group of high school students volunteered to help a local organizatio…
The correct equation and solution is \( y = 5.5x + 2 \), \( y = 5.5 \times 41 + 2 \), \( y = 225.5 + 2 \), \( y = 227.5 \) hours. So the correct option is the one with \( y = 5.5x…
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the following are the ages of 17 music teachers in a school district. 3…
The box-and-whisker plot is constructed with: - Minimum value at 31, - First quartile (Q1) at 36.5, - Median (Q2) at 44, - Third quartile (Q3) at 48, - Maximum value at 52, aligne…
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determine if each table represents a linear function or an exponential …
1. For table 15: This is a linear function, as each value of $f(x)$ increases by a constant 4 when $x$ increases by 1. 2. For table 16: This is an exponential function, as each va…
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find the growth or decay factor for each rate of change. 11. -45% 12. 2…
11. 0.55 (decay factor) 12. 1.23 (growth factor)
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find the percent increase or decrease that the function models. 9. $y =…
9. 23% increase 10. 25% decrease
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3. some boats were traveling up and down a river. a satellite recorded …
a. -2.55 miles b. -5 miles per hour c. Negative distances and velocities mean the boats are traveling **upstream (against the river's current)**, while positive values would repre…
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statistics practice worksheet on sample size and small sample mean inte…
Let's solve problem 1 as an example (the process is similar for other problems involving confidence intervals for small samples): ### Problem 1: Football team points scored (90% c…
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question #7 the total cost, c, of belonging to two different gyms for m…
C. The solution to the system is (4, 250). Meaning that after 4 months, both Gym A and Gym B will have the same cost of $250.
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a system of inequalities can be used to determine the depth of a toy, i…
The toy sinks at a rate of no more than a $\frac{1}{2}$ meter per second.
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match each correlation coefficient to the appropriate scatter plot. the…
Top scatter plot: $r=-0.5$ Bottom scatter plot: $r=0$
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17. kalla planted a total of 186 flowers in her garden. - she planted 4…
A. 67
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match each correlation coefficient to the appropriate scatter plot. the…
Top scatter plot: \(r = 0.9\) Bottom scatter plot: \(r = 0.4\)
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katerin read 10 books. the number of books roman read can be represente…
Roman read 5 times the number of books Katerin read
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which answer choice does describe the number 92,053? a. the sum of nine…
B. The sum of nine ten thousands, two thousands, and fifty three ones
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10.1 13. there are 4 people on the middle - school relay team. each of …
13. $\frac{4}{3}$ miles (or $1\frac{1}{3}$ miles) 14. $\frac{1}{3}$ 15. $\frac{135}{4}$ square feet (or $33\frac{3}{4}$ square feet)
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review: relations & functions 6.1, derive y=mx+b 6.2, interpret rate of…
1. Relation: any set of a paired input (x) and output (y). 2. Function: a rule that assigns exactly ONE input(x) to each output(y).
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question 4 1 pts using your required calculator, divide 412 by 800 and …
0.515
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question 1 please set your required calculator to the 9th decimal place…
0.740740741 ### Question 2
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the number of students enrolled at a college is 15,000 and grows 6% eac…
\( y = \boldsymbol{15000} \cdot \boldsymbol{1.06}^{\boldsymbol{x}} \)
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the number of students enrolled at a college is 15,000 and grows 6% eac…
\( 1.06 \) (and the number of students after one year is \( 15900 \)) (Note: For part (c), the blank should be filled with the growth factor \( 1.06 \) as we use the formula \( \t…
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the number of students enrolled at a college is 15,000 and grows 6% eac…
The first box (for the rate in decimal) is \( 0.06 \), and the second box (for the growth factor) is \( 1.06 \). So filling in the blanks: \( 1 + \boldsymbol{0.06} = \boldsymbol{1…
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on your own: approximate solutions with what is the estimated solution …
$(2, -3)$
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a plant will become invasive when the number of plants reaches 10,000. …
45
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suppose a city with population 300,000 has been growing at a rate of 6%…
856302
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3. use a standard inch ruler to answer each question. then, write a mul…
a. Division: $8 \div \frac{1}{2} = 16$; Multiplication: $16 \times \frac{1}{2} = 8$; Number of $\frac{1}{2}$s: 16 b. Division: $2\frac{1}{4} \div \frac{3}{16} = 12$; Multiplicatio…
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martin luther king day 1. you are driving to a mlk day parade in washin…
1. 53.14 miles per hour 2. 0.075 yards 3. Yes, 1964 is a presidential election year (it is divisible by 4) 4. 30 states; ~29 states; 45 states 5. 36 6. 5; The greatest common fact…
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what is the equation of the trend line in the scatter plot? use the two…
# Explanation: ## Step1: Identify the two yellow points From the scatter plot, the two yellow points are \((30, 0)\) (wait, no, looking at the graph, the lower yellow point is at …
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what is the equation of the trend line in the scatter plot? use the two…
\(y = -\frac{3}{7}x + 70\)
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b) ( _np_5 = 13_np_4 )
$n=17$
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1) what is the equation of the trend line in the scatter plot? 1) use t…
\(y=\frac{9}{35}x + 40\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y = \frac{5}{9}x + 10\)
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1) what is the equation of the trend line in the scatter plot? 2) use t…
\(y=-x + 80\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y = \frac{1}{5}x + 40\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y = -\frac{5}{7}x + 80\)
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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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3. which question can be represented by the equation $? \\bullet \\frac…
1. For Question 2: 3 2. For Question 3: A. How many $\frac{1}{3}$s are in 4?
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2. at a dog shelter, a 24-pound bag of dog food will feed 36 dogs a day…
24
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14 the time t needed to complete a task varies inversely as the number …
1. For question 14: 3.5 h 2. For question 15: 28 items
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answer the question below. view the rubric linked above for help if nee…
A roll call in Congress is a vote - recording process where each member's name is called to note their vote. It protects the people by: 1) Providing transparency, as the public ca…
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evaluate each series described. 9) \\(\\sum_{m = 1}^{6} (10m - 3)\\) 10…
192
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1 of 5 which of the following best describes self - dealing in real est…
C. Recommending vendors or service providers with whom you have a financial interest
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day 97: january 30th chandler ran 18.9 miles in 1 week. if he ran the s…
2.7 miles
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day 96: january 29th kandice used 9\\frac{2}{3} cups of flour to make 2…
$4\frac{5}{6}$ cups of flour per batch
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day 95: january 28th which box of thank you cards cost $0.34 per card? …
a. A box of 10 cards for $3.40 d. A box of 18 cards for $6.12 e. A box of 24 cards for $8.16 f. A box of 36 cards for $12.24
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day 93-day 97 (6.1) name lushie 1/19/26 per 2 day 93: january 26th calc…
Day 93: - Tomatoes: $\$0.80$ per pound - Boat: $0.4$ miles per minute Day 94: - Earnings per house: $\$216.25$ - Cost per tennis ball: $\$0.83$ Day 95: a. $\$0.34$ per card (match…
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question write the expression below as a single logarithm in simplest f…
$\log_9 81$ (or $2$, but as a single logarithm, $\log_9 81$ is correct. However, since $81 = 9^2$, $\log_9 9^2 = 2$ by power rule, but the single logarithm form is $\log_9 81$)
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given the graph of $y = f(x)$ below, solve for $f(x) = -3$. if you have…
# Explanation: ## Step1: Understand the problem We need to find the \( x \)-values where \( f(x) = -3 \) from the graph of \( y = f(x) \). This means we look for the points on the…
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6. vocabulary circle the nickel. are square around the half - dollar. w…
The total value of all the money is $\boldsymbol{55}$ cents (or $\boldsymbol{\$0.55}$).
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write and solve a system of equations. show work on your recording shee…
Bob bought $\boldsymbol{10}$ adult tickets and $\boldsymbol{14}$ child tickets.
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what can kangaroo make? a a big sandwich b a mean face c a funny face
C. a funny face
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what does climb mean? a to build something b to go up using hands and f…
B. to go up using hands and feet
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solve the systems of linear inequalities by graphing. graph the inequal…
## SOLUTIONS: (4, 4), (7, 5), (2, 2), (10, -3) ## NOT SOLUTIONS: (-1, 3), (0, 0), (2, 1), (4, -6)
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delineating an argument quick check what does delineate mean? (1 point)…
B. to break down
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1. jason has 59¢ in his wallet. his sister gives him 4 nickels. how muc…
79 cents
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josh is filling an aquarium with water. the graph below shows the linea…
\( y=-2x + 60 \) (assuming the two points \( (0,60) \) and \( (10,40) \)) or if it's filling, maybe a positive slope. But based on the graph's negative slope, the linear equation …
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your meeting notes are unclassified. this means that your notes: ○ may …
B. Do not have the potential to damage national security.
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a relief sculpture is a. a three - dimensional form of art that is mean…
C. a type of sculpture that contains objects embedded in a ground surface.
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check here for instructional material to complete this problem. write t…
$0.67$
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this image is an example which technique in ceramics? a. red figure pai…
a. red figure painting
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activity 1: definition of prefix fill in the prefix that matches each d…
### Activity 1: Definition of Prefix 1. **octo (or octa)** - The prefix "octo-" (or "octa-") means eight (e.g., octagon, octave). 2. **intra-** - "Intra-" is a prefix that means w…
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alonzo will run at most 34 miles this week. so far, he has run 20 miles…
\( t \leq 14 \)
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(9) will did not answer, but both listened intently to the sound which …
C. long-winded explanation
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3 the three graphs represent the progress of three runners in a 400 - m…
a. Runner C b. Runner A; 20 to 50 seconds c. Runner B ran at an increasing speed (gradually faster pace) for the first part of the race, then slowed down and stopped before comple…
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(2) \if you only had more time at your disposal,\ i used to say, when h…
C. make him famous
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5-85. rachel is collecting donations for the local animal shelter. so f…
Rachel plans to collect \(\$350\) for the shelter.
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problem 1 the following data set represents measurements of two related…
The scatterplot is constructed by plotting the points (10, 8.90), (7, 7.24), (14, 8.95), (8, 7.80), (11, 9.10), (6, 5.95), (5, 4.60), (12, 8.85), (9, 7.90), (4, 3.40) on the given…
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data analysis and probability constructing a box - and - whisker plot h…
The box - and - whisker plot has: - Minimum: 56 - Q1: 63.5 - Median (Q2): 72 - Q3: 76 - Maximum: 80 To draw the plot: - Plot a point at 56 (left end of whisker) - Plot a point at …
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1. what does the word stanza mean in italian? what does this tell you a…
1. In Italian, "stanza" means "room" (or chamber). 2. This tells us that stanzas organize a poem like rooms organize a building: they divide the poem into distinct, self-contained…
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c he was mad at his mom, so he refused to wear it to school. part b wha…
s: - First Part B (Effects of Jack leaving hat): C. Jack’s head and face were extremely cold. - Part Ac (Meaning of "detest"): B. disliked - Part B (Clue for "detest"): C. "He tho…
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select all that apply which of the following are true statements about …
- Cognitive bias includes conscious or unconscious errors in cognition that impact an individual's judgments, assumptions, and decision making. - Biases in AI often result from tw…
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name: _________________________ date: _________________________ learnin…
- -ful: B. Full of something - -less: A. Without something - -able: C. Can be done ### Part 2 - Build a New Word
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the human resource department at a certain company wants to conduct a s…
88
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select the correct answer from each drop - down menu. the annual enroll…
$y = 0.17x^2 + (-1.78)x + 11.11$ (or using exact fractions: $y = \frac{11}{64}x^2 - \frac{28.5}{16}x + \frac{355.5}{32}$; decimal approximations are standard for this type of mode…
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read the excerpt from grendel. i was safe in my tree, and the men who f…
A. He is weak and easily disgusted by dead animals.
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compute the range and sample standard deviation for strength of the con…
The range is 1220 psi. $s = 496.2$ psi
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solve the following system of equations graphically on the set of axes …
The solution (intersection point) is \((1, -5)\). To graph: - For \(y = 3x - 8\), plot \((0, -8)\) and \((2, -2)\), draw a line. - For \(y=-2x - 3\), plot \((0, -3)\) and \((1, -5…
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the median of 5, 7, 2, 9, 8 is: 5 7 8 6
B. 7
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4 which scatter plot does not show an appropriate line of best fit? a b…
C. The scatter plot with a downward-sloping line that does not align with the data trend
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9. steven can make a free throw 80% of the time. based on this informat…
24
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8. the ratio of boys to girls in mrs. kee’s class is \\(\frac{12}{18}\\…
C. 4 : 6
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gary and heather each make cheesy potatoes using different recipes. the…
Heather's cheesy potatoes have more cheese. If we consider the drop - down menu context, for example, for every 30 ounces of potatoes, Gary uses $\frac{20}{3}\approx6.67$ ounces o…
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a park has maple trees and oak trees. the ratio of maple trees to oak t…
24
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clover uses 30 fruits to make a large batch of pineapple - orange juice…
Assuming the correct number of pineapples is 10 (based on the ratio 5:2 with 25 oranges), the difference is \(\boldsymbol{107.5}\) fl oz. If we follow the given dropdown numbers (…
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5. the table below shows the number of points danny scored on a video g…
-15
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drag the right word to its definition an economic and political system …
The word that matches the definition is communism. So we drag "communism" to the given definition.
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figurative language in context #1 date the following excerpts from lite…
1. Type of figurative language: Idiom How it is used: Tells Bud to contribute fair work share 2. Type of figurative language: Metaphor How it is used: Shows Peter's freedom and yo…
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multiple choice question why is it correct to say that most language is…
People who use a language decide what the words mean, and they can change the meaning.
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5-39. if you used a random number generator for the numbers from 1 thro…
s: a. \( \boldsymbol{\frac{2}{5}} \) b. \( \boldsymbol{1} \) c. \( \boldsymbol{\frac{9}{20}} \) d. As explained (using sample space, favorable outcomes, and probability formula).
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4 there is 10.5 ounces of cereal in a container. additional cereal is p…
\( 19.3 \) ounces
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5-33. evaluate the following expressions using the order of operations.…
\( 49 \) ### Part b: \( 7 \cdot 4 - 3 \cdot 8 + 22 - 6 \)
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8 suppose 7 and 4 ice cream cones were sold on sunday. what is the tota…
21
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a. the temp decreased 20.8 degrees over 6.5 hours. what was the average…
a. $-3.2$ degrees per hour b. $1.5x = 13.5$ (where $x$ is the number of carrots the critter ate)
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add using models 3 add the two decimal models. use the sketch to help y…
0.72
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add using models 2 add the two decimal models. use the sketch to help y…
0.57
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what did the zollverein economic union do for prussia? ○ it unified ger…
B. It dismantled tariff barriers between many German states. ### Question 2:
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venn diagram question (unit 1) seventy - five students participated in …
2
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luke is thinking of a number twice his age. the sum of the digits is 8.…
Luke is 13 years old.