Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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using the spinner, what is the probability of spinning purple or green?
\(\frac{4}{6}\)
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a number cube is rolled. what is the probability of getting a 6 a numbe…
\(\frac{1}{2}\)
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which of the following shows how to determine when a die is rolled p(mu…
\(\frac{3}{6}+\frac{2}{6}-\frac{1}{6}\) (the second option)
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a homework question asks you to find the probability of drawing a 2 _ a…
mutually exclusive events
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what are overlapping events? events that add up to 100% events that can…
Events that can happen at the same time.
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what are mutually exclusive events? events that add up to 100% events t…
Events that cannot happen at the same time
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a student believes that a certain number cube is unfair and is more lik…
\(0.27\pm2.58\sqrt{\frac{0.27(1 - 0.27)}{45}}\) (First option)
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a box contains three red playing cards numbered one to three. the box a…
\(\frac{7}{8}\)
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a basket contains 3 apples, 3 peaches, and 4 pears. you randomly select…
\(\frac{3}{5}\)
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a magazine contains fourteen pages. you open to a random page. find the…
\(\frac{1}{7}\)
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in a small town of 5,832 people, the mayor wants to determine the propo…
B. $0.48\pm1.96\sqrt{\frac{0.48(1 - 0.48)}{500}}$
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in a standard deck of cards, what is the probability of picking a spade…
\(\frac{4}{13}\)
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in a standard deck of cards, what is the probability of picking a queen…
\(\frac{1}{2}\)
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a bag contains 9 green marbles, 5 yellow marbles and 6 red marbles. you…
\(\frac{3}{4}\)
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if you roll one die, what is the probability of getting an even number …
\(\frac{2}{3}\)
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if you draw one card from a standard deck, what is the probability of d…
\(\frac{3}{4}\)
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i had some ______ or concerns about the class when i left the first day…
# Brief Explanations: - Analyze each option: - "misgivings" means[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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6. read the following sentences from the text. \wow!\ a shaken jian exc…
C. something that you set out to do
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what does con- mean in condone a. below b. thoroughly c. against d. im …
b. thoroughly
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what does ad - mean in advocate a. to, towards b. with, together c. awa…
A. to, towards
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5 use the given two way table to determine the number of students that …
D. 12
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what does dis- mean in dissuade a. apart, not b. join, connect c. bad, …
A. apart, not
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moms coworkers. the empty office was a sprawling gray kingdom, and he w…
C. thoroughly enjoyed and looked forward to
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23 determine any outliers for the data set. select all that apply. 6, 6…
B. 56
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22 which of the dot plots shows a symmetric distribution? a 9 10 11 12 …
A. Option A
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22 which of the dot plots shows a symmetric distribution? a 9 10 11 12 …
A.
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read the following sentences: well, said tammy. sort of. but...i though…
C. delayed
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6. the coachs passionate speech galvanized the players, meaning it: * a…
6. A. Shocked or inspired them into action 7. A. Overly elaborate and showy 8. C. Draining and exhausting
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1. what does wary mean? * a. cautious and alert to danger b. honest and…
1. A. Cautious and alert to danger 2. B. Bitterness and resentment
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a student believes that a certain number cube is unfair and is more lik…
\(0.27\pm2.58\sqrt{\frac{0.27(1 - 0.27)}{45}}\)
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the proportion of twins born in a town is ( p = 0.12 ). suppose we rand…
\(\mu_{\hat{p}}=p = 0.12\) (the first option)
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the ages of the 5 officers for a school club are 18, 18, 17, 16, and 15…
Yes, the mean of the sample proportions is \(0.6\), which is the same as the population proportion.
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the proportion of all high school students who watch national news is $…
\(\mu_{\hat{p}}=p = 0.47\) (the first option)
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the lack of competition within a monopoly means that offered goods and …
D. monopolists set their own price.
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find the indicated probability and interpret the result. from 1975 thro…
$0.3939$
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the heights of fully grown trees of a specific species are normally dis…
The mean of the sampling distribution is \(\mu_{\bar{x}} = 62.5\). The standard error of the sampling distribution is \(\sigma_{\bar{x}}\approx1.44\)
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the population mean and standard deviation are given below. find the re…
\(0.0054\)
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when jacob riis published how the other half lives in 1890, the u.s. ce…
Harsh conditions of tenement housing in U.S. cities
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which sentence most clearly uses a pathos appeal? a. how can you sit th…
A. How can you sit there while these poor parrots have their habitats destroyed?
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which term matches the picture? no correlation negative correlation pos…
negative correlation
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the proportion of twins born in a town is ( p = 0.12 ). suppose we rand…
\(\mu_{\hat{p}}=p = 0.12\) (the first option)
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directions: find or select the best answer. record your response on you…
D. \(6.7\%\) ### Question 9
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part a what is the constant of proportionality, and what does it mean i…
The constant of proportionality is \(20\), the machine caps \(20\) bottles in \(1\) second.
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topic 2a test (proportional relationships) alondra is training for a 5 …
\(10,560\) (the third option)
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does this scatter plot show a positive trend, a negative trend, or no t…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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6 true or false 10 points the sentences \i went to see him.\ and \i wen…
False
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the ages of the 5 officers for a school club are 18, 18, 17, 16, and 15…
No, the mean of the sample standard deviations is \(1.13\), which is not the same as \(1.17\).
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does this scatter plot show a positive trend, a negative trend, or no t…
The scatter plot shows a negative trend.
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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a manufacturing company has 5 vice presidents: andrew, beth, charles, d…
\((Andrew, Beth), (Andrew, Charles), (Andrew, Diane), (Andrew, Eric), (Beth, Charles), (Beth, Diane), (Beth, Eric), (Charles, Diane), (Charles, Eric), (Diane, Eric)\) (correspondi…
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1) this spinner is spun 36 times. the spinner landed on a 1 time, on b …
\(\frac{29}{36}\)
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if necessary, rearrange the pieces below so that the sentence is in the…
I will read Lola Loud's Sunday comics.
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a manufacturing company has 5 vice presidents: andrew, beth, charles, d…
10
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answer the expected temperature in degrees fahrenheit if the cricket co…
The number of times the cricket could be expected to chirp in one minute if it's \(75^{\circ}\text{F}\).
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if necessary, rearrange the pieces below so that the sentence is in the…
Dipper Pines hugged the llama.
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a local charity holds a carnival to raise money. in one activity, parti…
The probability of a random spin having a value lower than 5 is 0.8.
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if necessary, rearrange the pieces below so that the sentence is in the…
I borrow Sheldon Plankton's rollerblades.
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someone says, ice weather for a picnic,\ during a thunderstorm. this is…
they mean the opposite of what they're saying
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theres a roughly linear relationship between the number of times a spec…
The \(x\) - value when \(y = 75\) is approximately \(83\) (rounded to the nearest whole number)
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if necessary, rearrange the pieces below so that the sentence is in the…
Sandy Cheeks repairs the aliens' spaceship.
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if necessary, rearrange the pieces below so that the sentence is in the…
Captain Marvel will share the headphones.
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read this paragraph. “it gives me pleasure to announce to congress that…
C. It suggests that Jackson is doing something proper.
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based upon historical data, it is known that 8% of 12 - egg cartons con…
1
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if necessary, rearrange the pieces below so that the sentence is in the…
Leni Loud and her cousin carve wooden action figures.
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if necessary, rearrange the pieces below so that the sentence is in the…
A squirrel bit Dustin Henderson's backpack.
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1、true or false 10 points i want the apple i want an apple these two se…
False
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last week, your delivery runs took 7 hours 12 minutes on monday, 6 hour…
C. 6 hours 57 minutes
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if necessary, rearrange the pieces below so that the sentence is in the…
I will bake Soos Ramirez's birthday cake.
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05 - 99 = package delivered on time here is a portion of a random numbe…
\(23\) Since the options provided in the original problem may have some errors (assuming a mis - count in the two - digit number selection process in the problem - making), if we …
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a spinner is divided into five colored sections that are not of equal s…
\(188\)
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the owner of a local movie theater keeps track of the number of tickets…
2.1
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mav volunteers on the weekend at the central library. as a school proje…
\(489\)
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standardized tests for certain subjects, given to high school students,…
Subject A’s distribution is roughly unimodal symmetric and subject B’s distribution is skewed left.
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1. what part of speech is the word ordeal? o a. noun o b. verb o c. adj…
1. A. noun 2. A. woe
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subject-verb agreement subject - verb agreement means the subject and p…
B. The volleyball team plays at seven.
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let a represent the battery life of a brand a laptop, and let b represe…
On average, brand B's battery life lasts 3.25 hours longer than brand A.
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hannah has a chicken coop with six hens. let x represent the total numb…
skewed left
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subject-verb agreement subject - verb agreement means the subject and p…
The tree is rotten on the inside.
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at a carnival game, the chance of winning a prize is 0.45. kylee plays …
\(0.91\)
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grammar: subject verb agreement subject - verb agreement means the subj…
Settings change throughout the story.
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two local hotels, x and y, rent out rooms nightly. let x represent the …
\(\mu_S = 107\); the hotels can expect to rent out 107 rooms, on average, each night. So the correct answer is: \(\mu_S=107\); the hotels can expect to rent out 107 rooms, on aver…
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a placekicker for a football team makes field goals 55% of the time whe…
0.60
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which event is least likely to occur? answer rolling a number greater t…
Reaching into a bag full of 6 strawberry chews and 74 cherry chews without looking and pulling out a strawberry chew.
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one professional basketball player typically attempts eight free throws…
0.32
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which event is least likely to occur? answer rolling a number greater t…
Reaching into a bag full of 8 strawberry chews and 72 cherry chews without looking and pulling out a strawberry chew.
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which event is least likely to occur? answer rolling a 8 on a twelve - …
Rolling a 8 on a twelve - sided die, numbered from 1 to 12.
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based upon historical data, it is known that 8% of 12 - egg cartons con…
The proportion is $\frac{1}{5}=0.2$
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the owner of a local movie theater keeps track of the number of tickets…
The number of tickets purchased typically varies from the expected value by 0.95 tickets.
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a professional basketball player typically attempts 8 free throws per g…
\(5\)
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consider the given probability histogram of a binomial random variable.…
Center: \(5.4\) Shape: skewed left
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a medical device company knows that the percentage of patients experien…
B. \(8.5763\)
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a child is playing a card game where, if she does not have a red card i…
No, since each trial is not independent of the other trials.
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in a popular online role playing game, players can create detailed desi…
$93\%$
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31 persephones cry of terror reached her mothers ears demeter instantly…
B. The words "With a bitter smile" provide a clue that implies acceptance of a request.
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juan recorded the grade - level and instrument of everyone in the middl…
\(72\%\)
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aaden owns a small business selling used books. he knows that in the la…
\(75\%\)
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paid cash, 5 customers used a debit card, and 24 customers used a credi…
\(15\%\)
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hannah has a bag that contains orange chews, lemon chews, and lime chew…
\(0.53\)