# Suppose a random sample of size 36 is drawn from a population with a mean of 278. If 86% of

## Question:

Suppose a random sample of size 36 is drawn from a population with a mean of 278. If 86% of the time the sample mean is less than 280, what is the population standard deviation?

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## Business Statistics For Contemporary Decision Making

**ISBN:** 978-1118749647

8th edition

**Authors:** Black Ken

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