?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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