Place these three students in order from lowest to highest score.

On an  exam with μ = 76 and standard deviation = 12, Tom scored 8 points below the mean, Mary had a score of X = 73, and Bill had a z-score of z = –0.50. Place these three students in order from lowest to highest score.
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1 Answer

Tom scored 76-8=68. If Bill’s score is X, then (X-76)/12=-0.50, X-76=-6, X=70.

The score order is 68, 70, 73–Tom, Bill, Mary.

by Top Rated User (1.1m points)

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