114 Answered Questions for the topic AP statistics

Ap Statistics

03/21/21

For the following pairs, indicate which do not comply with our rules for setting up hypotheses, and explain why. For those that don’t comply, change Ha to make it correct.
a. H0:𝜇= 15,Ha:𝜇=15b. H0:𝑝 =0.4,Ha:𝑝 >0.6c. H0: 𝜇 =123, Ha: 𝜇 < 123d. H0: 𝜇 =123, Ha: 𝜇 = 125e. H0:𝑝̂=0.1,Ha:𝑝̂=0.1
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Ap Statistics

03/21/21

Ap stat question

Explain why the statement 𝑥̅ = 50 is not a legitimate hypothesis.
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Ap Statistics

03/21/21

Ap Stat Question

A certain TV station has been providing live coverage of a particularly sensational criminal trial. The station’s program director wishes to know whether more than half the potential viewers prefer... more
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Ap Statistics Statistics

03/19/21

QUESTION IN DESCRIPTION *AP STATS
For some people, mistletoe is a symbol of romance. Mesquite trees, however, have no love for the parasitic plant that attaches itself and steals nutrients from the tree. To estimate the proportion... more
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Ap Statistics Statistics Mathematics

03/18/21

AP Statistics Questions Please Help!
Question 1: A hypothesis test is conducted with a significance level of 5%. The alternative hypothesis states that more than 12% of a population is left-handed. The p-value for the test is... more
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Ap Statistics Statistics Mathematics

03/14/21

AP Stats Questions Pls Help!
A program was created to randomly choose customers at a sporting goods store to receive a discount. The program claims 25% of the receipts will get a discount in the long run. The manager of the... more
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Ap Statistics Statistics Mathematics

03/14/21

Ap Stats Questions Pls Help!
Given a population mean of 41.8 with a standard deviation of 5.2 and a sample size of 9, answer these questions: (10 points)Part A: What is the standard deviation of the sampling distribution of... more
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Ap Statistics

03/11/21

What is the mean weight of both of the textbooks?

A math teacher and a history teacher each assign their students a textbook for class. A math textbook has an average weight of 8.00lbs with a standard deviation of 0.4lbs. A history textbook has an... more
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03/11/21

Ap Stats Question Pls Help
Two hundred randomly selected residents in Hoptown were surveyed and asked, "Do you support the city's decision to build a public health clinic in your area?" A total of 108 said no, 8 said yes,... more
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Ap Statistics Math Algebra 1 Statistics

03/11/21

math question (statistics)
Based on data from a statistical abstract, only about 15% of senior citizens (65 years old or older) get the flu each year. However, about 23% of the people under 65 years old get the flu each... more
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Ap Statistics Probability

03/04/21

Cruise Ship Problem
The following data were obtained about 500 passengers on a cruise ship. 272 passengers brought a camera. 218 passengers brought a laptop computer. 196 passengers brought MP3 players. 51 passengers... more
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Ap Statistics Statistics

03/01/21

The computer science department plans to offer three introductory - level CS courses for students who have very little computer experience: one using Python, one using Fortran and one using Java.

a) The department chairman plans to give all students the same general programming exam at the end of the year and to compare the relative effectiveness of using each of the programming languages... more
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Ap Statistics Statistics

02/18/21

10.1 Statistics
Suppose you administer a certain aptitude test to a random sample of 9 students in your school, and that the average score is 105. We want to determine the mean μ of the population of all students... more
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Ap Statistics Statistics Probability

02/13/21

Slow pitch baseball, mean:28 and standard deviation:2.1. Wooden baseball, mean:33 and standard deviation:3.2. Find probability that a slow pitch softball bat weighs more than a wooden baseball bat?
The distribution of the weights of slow pitch softball bats and wooden baseball bats are each approximately normal.
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Ap Statistics

02/12/21

Question in description

In 2016, more than 200,000 students took the AP® Statistics exam. Of these students, 14% earned the highest score of 5. Find the probability that, in a random sample of 300 students who took the... more
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Ap Statistics

02/02/21

AP Stats Conditions for inference
A popular infomercial wants to know the proportion of viewers that prefer gold to silver jewelry. Viewers are asked to text "gold" or "silver" to a provided number. Seventy-seven percent of the... more
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Ap Statistics

01/26/21

What's the probability that at least 4 out of the next 20 customers will buy cake pops? (Hint: remember to show the setup!)
Lindsay knows 48% of people who walk into her dessert show will buy cake pops.
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Ap Statistics

01/26/21

What's the probability that exactly 5 out of the next 8 customers will buy cake pops? (Hint: remember to show the setup!)
Lindsay knows 48% of people who walk into her dessert show will buy cake pops.
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Ap Statistics

01/26/21

What’s the probability Lindsay won’t sell a cake pop until the 9th customer? Round your answer to 4 decimal places.
Lindsay knows 48% of people who walk into her dessert show will buy cake pops.
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Ap Statistics

01/21/21

Pew Research reported that, in 2013, 78% of all teens had a cell phone. Assume this estimate is correct. We randomly pick 100 teens.
What’s the approximate probability that less than three-fourths of this sample owns a cell phone?
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Ap Statistics

01/19/21

If the ticket to play was actually $5 and not free, determine the new expected winnings and standard deviation.
The County Fair is giving out a free lottery ticket to each person who attends. The organizers tell you that there is a .001 chance that you will win $100, a .002 chance that you will win $50 and a... more
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01/19/21

standard deviation question
What happens to the curve when the standard deviation is increased? What does that do to the area under the curve? What happens to the curve when the standard deviation is decreased? What does... more
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Ap Statistics Math Statistics

01/19/21

Statistics question with standard deviation
What happens to the curve when the standard deviation is increased? What does that do to the area under the curve? What happens to the curve when the standard deviation is decreased? What does both... more
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Ap Statistics

01/17/21

Determine the mean of the weight (in ounces) of the contents of the small gift box.

A candy manufacturer is marketing a small gift box containing one nut cluster bar and one piece of fudge. The manufacturing process for each candy is designed so that the mean weight of the nut... more
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Ap Statistics

01/07/21

AP Stats One Question
Burping (also known as "belching" or "eructation") is one way the human body expels excess gas in your digestive system. It occurs when your stomach fills with air, which can be caused by... more
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