A sample of size 20 will be drawn from a population with mean 6 and standard deviation

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A sample of size 20 will be drawn from a population with mean 6 and standard deviation 3.

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

b. If appropriate find the probability that ̄x will be greater than 4.

c. If appropriate find the 30th 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 20 will be drawn from a population with mean 6 and standard deviation

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Elementary Statistics

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