A random sample of 124 computer store customers spent an average of $155 at the store. Assuming the distribution is normal and the population variance is $625, the 95% confidence interval for the population mean is closest to: $150.60 to $159,40. O $151.29 to $158.70. O $44.99 to $265.00. O $62.39 to $247.60.

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 random sample of 124 computer store customers spent an average of $155 at the
store. Assuming the distribution is normal and the population variance is $625, the 95%
confidence interval for the population mean is closest to:
$150.60 to $159,40.
O $151.29 to $158.70.
O $44.99 to $265.00.
O $62.39 to $247.60.
Transcribed Image Text:A random sample of 124 computer store customers spent an average of $155 at the store. Assuming the distribution is normal and the population variance is $625, the 95% confidence interval for the population mean is closest to: $150.60 to $159,40. O $151.29 to $158.70. O $44.99 to $265.00. O $62.39 to $247.60.
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