## A random sample of 40 PCC students are surveyed about their commuting time. A mean of 24.5 minutes was calculated from the survey. The popul

Question

A random sample of 40 PCC students are surveyed about their commuting time. A mean of 24.5 minutes was calculated from the survey. The population standard deviation is known to be 5.8 minutes. Construct a 95% confidence interval for the average commuting time for all PCC students. Round your answer to the nearest tenth of a minute.

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Math
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2022-01-06T08:41:36+00:00
2022-01-06T08:41:36+00:00 1 Answer
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## Answers ( )

Answer:[22.7, 26.3]

Step-by-step explanation:-Given that n=40, mean=24.5 and the standard deviation is 5.8.

-The 95% confidence interval can be calculated as follows:

#Substitute the given values to solve for CI:

Hence, the confidence interval is

[22.7, 26.3]