The Food Marketing Institute shows that 17% of households spend more than $100.00 per week on groceries. Assume the population proportion is p=0.17 and a simple random sample of 800 households will be selected from the population. Use z-table. b. What is the probability that the sample proportion will be within +- .02 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +-.02 of the population proportion for a sample of 1600 households (to 4 decimals)?

The Food Marketing Institute shows that 17% of households spend more than $100.00 per week on groceries. Assume the population proportion is p=0.17 and a simple random sample of 800 households will be selected from the population. Use z-table. b. What is the probability that the sample proportion will be within +- .02 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +-.02 of the population proportion for a sample of 1600 households (to 4 decimals)?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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b. What is the probability that the sample proportion will be within +- .02 of the population proportion (to 4 decimals)?

c. What is the probability that the sample proportion will be within +-.02 of the population proportion for a sample of 1600 households (to 4 decimals)?

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