The manager of a grocery store has taken a random sample of 169 customers. The average length of time it took these 169 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The margin of error is 0.151. Find the 95% confidence interval for the true average checkout time (in minutes). O 1 to 5 O 2,849 to 3.151 O 2.873 to 3.127 O 2.988 to 3.012

MATLAB: An Introduction with Applications
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The manager of a grocery store has taken a random sample of 169 customers. The average length of time it took these 169 customers to check out was 3 minutes. It is known that the standard deviation of the
population of checkout times is 1 minute. The margin of error is 0.151. Find the 95% confidence interval for the true average checkout time (in minutes).
O 1 to 5
O 2.849 to 3.151
O 2.873 to 3.127
O 2.988 to 3.012
Transcribed Image Text:The manager of a grocery store has taken a random sample of 169 customers. The average length of time it took these 169 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The margin of error is 0.151. Find the 95% confidence interval for the true average checkout time (in minutes). O 1 to 5 O 2.849 to 3.151 O 2.873 to 3.127 O 2.988 to 3.012
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