A researcher wishes to estimate within $5 the average repair cost of for a refrigerator. If she wishes to be 95% confident, how large of a sample would be necessary if the population standard deviation is $15.50? (Remember to include units in your answer.)
A researcher wishes to estimate within $5 the average repair cost of for a refrigerator. If she wishes to be 95% confident, how large of a sample would be necessary if the population standard deviation is $15.50? (Remember to include units in your answer.)
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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A researcher wishes to estimate within $5 the average repair cost of for a refrigerator. If she wishes to be 95% confident, how large of a sample would be necessary if the population standard deviation is $15.50? (Remember to include units in your answer.)
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