The average price of a gallon of unleaded regular gasoline was reported to be $2.34 in northern Arkansas. use this price as the population mean and assume the population standard deviation is $0.20 a) what is the probability that the mean price for a sample of 30 service stations is within $0.03 of the population mean? Compute four decimal places b) What is the probability that the mean price for a sample of 50 service stations is within $0.03 of the population mean? Compute four decimal places

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The average price of a gallon of unleaded regular gasoline was reported to be $2.34 in northern Arkansas. use this price as the population mean and assume the population standard deviation is $0.20

a) what is the probability that the mean price for a sample of 30 service stations is within $0.03 of the population mean? Compute four decimal places

b) What is the probability that the mean price for a sample of 50 service stations is within $0.03 of the population mean? Compute four decimal places

 

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