A sample of size 15 will be drawn from a population with mean 125 and standard deviation

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A sample of size 15 will be drawn from a population with mean 125 and standard deviation 28.

a. Is it appropriate to use the normal distribution to find probabilities for x̄?

b. If appropriate find the probability that x̄ will be less than 120.

c. If appropriate find the 90th percentile of x̄.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 06, 2024 12:01 PM

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A sample of size 15 will be drawn from a population with mean 125 and standard deviation

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Elementary Statistics

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