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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
25 Nov 2021

Given information

The data set is given as:

Step-by-step explanation

Step 1.

When the sample size is large (usually above 30), normal distribution acts as a very good approximation to a given data. Thus, the population mean is approximated by the sample mean and the population standard deviation is approximated by the sample standard deviation.

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