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Hi. From Willey Section 7.4, Exercise 6 thanks Suppose a random sample of size36is drawn from a population with a mean of277. If91% of the

Hi. From Willey Section 7.4, Exercise 6

thanks

Suppose a random sample of size36is drawn from a population with a mean of277. If91% of the time the sample mean is less than280, what is the population standard deviation?

Round your answer to 2 decimal places, the tolerance is +/-0.05.

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