6. According to a survey of a random sample of 2278 adult Americans conducted by the Harris Poll, 1162 of those surveyed said that they prefer name brands to store brands when purchasing frozen vegetables. Suppose that you want to use this information to determine if there is convincing evidence that a majority of adult Americans prefer name-brand frozen vegetables over store brand frozen vegetables. a. What hypotheses should be tested in order to answer this question? b. Find the P-value for this test. c. What conclusion would you reach if ? = 0.05?

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A: 48% is a sample statistic

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A: Suppose that p is the population proportion of teenagers, who eat cereal for breakfast.

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A: Given information- We have given that a student believes that the average grade in the final…

Q: Is there an association between teenagers with Back pain and Gender? The study was also conducted…

A: It is needed to test, whether there is an association between teenagers with Back pain and Gender.

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A: From the provided information, Sample size (n) = 35 From which 28 passed with an A.

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A: The sample size n=1157 The sample proportion is 63%. The population proportion 35

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A:

Q: 1. In evaluating the relationship between region and feeling about the direction things are going in…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

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A: a. A study of high school students: In the study of high school students, if we collect a moderate…

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A: Givensample size(n)=570x=42p^=xn=42570=0.0737α=0.05

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A: a. One sample proportion test should be used.

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A:

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A: From the provided information, Confidence level = 95% n1=1205x1=712n2=1310x2=700

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A: State the hypotheses.   Obtain the value of the test statistic. The value of test statistic is…

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A: Here we have , X1 = 429, N1 = 1100 , p1 ^= x1n1 = 0.39 X2 = 363 , N2 = 1100 , p2 ^= x2n2 = 0.33

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Q: 7. Is there a relationship between gender and the type of car driven? A random sample of 1000 adults…

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A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.