Scores on a statistics final in a large class were normally distributed with a mean of 75

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Scores on a statistics final in a large class were normally distributed with a mean of 75 and a standard deviation of 8.

a. Find the 40th percentile of the scores.

b. Find the 65th percentile of the scores.

c. The instructor wants to give an A to the students whose scores were in the top 10% of the class. What is the minimum score needed to get an A?

d. Between what two values are the middle 60% of the scores?

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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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Scores on a statistics final in a large class were normally distributed with a mean of 75

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Elementary Statistics

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