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Get Full Access to Statistics For Business And Economics - 12 Edition - Chapter 7 - Problem 120se
Get Full Access to Statistics For Business And Economics - 12 Edition - Chapter 7 - Problem 120se

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# “Made in the USA” survey. Refer to the Journal of Global

ISBN: 9780321826237 51

## Solution for problem 120SE Chapter 7

Statistics for Business and Economics | 12th Edition

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Problem 120SE

Problem 120SE

“Made in the USA” survey. Refer to the Journal of Global Business (Spring 2002) study of what “Made in the USA” means to consumers, Exercise 2.152 (p. 116). Recall that 64 of 106 randomly selected shoppers believed “Made in the USA” means 100% of labor and materials are from the United States. Let p represent the true proportion of consumers who believe “Made in the USA” means 100% of labor and materials are from the United States.

a. Calculate a point estimate for p.

b. A claim is made that p = .70. Set up the null and alternative hypotheses to test this claim.

c. Calculate the test statistic for the test, part b.

d. Find the rejection region for the test if  = .01.

e. Use the results, parts c and d, to make the appropriate conclusion.

Step-by-Step Solution:

Solution:

Step 1 of 6:

It is given that out of 106 randomly selected shoppers 64 shoppers believed that made in the USA means 100% of the labor and materials are from United States.

Also, it is given that p denotes the proportion of shoppers who believed that made in the USA means 100% of the labor and the material are from the United States.

Using this data we have to find the required values.

Step 2 of 6

Step 3 of 6

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“Made in the USA” survey. Refer to the Journal of Global