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A union of restaurant and foodservice workers would like to estimate the mean hourly wage, H, of foodservice workers in the U.S. The union will choose a random sample of wages and then estimate u using the mean of the sample. What is the minimum sample size needed in order for the union to be 99% confident that its estimate is within $0.40 of u? Suppose that the standard deviation of wages of foodservice workers in the U.S. is about $2.10. Carry your intermediate computations to at least three decimal places. Write your answer as a whole nuhber (and make sure that it is the minimum whole number that satisfies the requirements).

A union of restaurant and foodservice workers would like to estimate the mean hourly wage, H, of foodservice workers in the U.S. The union will choose a random sample of wages and then estimate u using the mean of the sample. What is the minimum sample size needed in order for the union to be 99% confident that its estimate is within $0.40 of u? Suppose that the standard deviation of wages of foodservice workers in the U.S. is about $2.10. Carry your intermediate computations to at least three decimal places. Write your answer as a whole nuhber (and make sure that it is the minimum whole number that satisfies the requirements).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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A union of restaurant and foodservice workers would like to estimate the mean hourly wage, , of foodservice workers in the U.S. The union will choose a random sample of wages and then estimate j using the mean of the sample. What is the minimum sample size needed in order for the union to be 99% confdent that its estimate is within $0.40 of u? Suppose that the standard deviation of wages of foodservice workers in the U.S. is about $2.10. Carry your intermediate computations to at least three decimal places. Write your answer as a whole nuhber (and make sure that it is the minimum whole number that satisfies the requirements). (If necessary, consult a list of formulas.)
Transcribed Image Text:A union of restaurant and foodservice workers would like to estimate the mean hourly wage, , of foodservice workers in the U.S. The union will choose a random sample of wages and then estimate j using the mean of the sample. What is the minimum sample size needed in order for the union to be 99% confdent that its estimate is within $0.40 of u? Suppose that the standard deviation of wages of foodservice workers in the U.S. is about $2.10. Carry your intermediate computations to at least three decimal places. Write your answer as a whole nuhber (and make sure that it is the minimum whole number that satisfies the requirements). (If necessary, consult a list of formulas.)
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