40. The Grocery Manufacturers of America reported that 76% of consumers read the ingredients listed on a
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40. The Grocery Manufacturers of America reported that 76% of consumers read the ingredients listed on a product’s label. Assume the population proportion is p .76 and a sample of 400 consumers is selected from the population.
a. Show the sampling distribution of the sample proportion where is the proportion of the sampled consumers who read the ingredients listed on a product’s label.
b. What is the probability that the sample proportion will be within .03 of the population proportion?
c. Answer part
(b) for a sample of 750 consumers.
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Related Book For
Essentials Of Statistics For Business And Economics
ISBN: 9780324568608
5th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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