?A distribution of exam scores has a mean of \(\mu = 78\). (a) If your score is X = 70

Chapter 5, Problem 16

(choose chapter or problem)

A distribution of exam scores has a mean of \(\mu = 78\).

(a) If your score is X = 70, which standard deviation would give you a better grade: \(\sigma = 4\) or \(\sigma = 8\)?

(b) If your score is X = 80, which standard deviation would give you a better grade: \(\sigma = 4\) or \(\sigma = 8\)?

Text Transcription:

mu = 78

sigma = 4

sigma = 8

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