A sample of size 75 will be drawn from a population with mean 10 and standard deviation

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A sample of size 75 will be drawn from a population with mean 10 and standard deviation 12.

a. Find the probability that ̄x will be between 8 and 14.

b. Find the 15th percentile of x̄.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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