Last week Tim got a score of X = 54 on a math exam with μ = 60 and σ = 8. He also got X = 49 on an English exam with μ = 55 and σ = 3, and he got X = 31 on a psychology exam with μ = 37 and σ= 4. For which class should Tim expect the best grade?
Last week Tim got a score of X = 54 on a math exam with μ = 60 and σ = 8. He also got X = 49 on an English exam with μ = 55 and σ = 3, and he got X = 31 on a psychology exam with μ = 37 and σ= 4. For which class should Tim expect the best grade?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section: Chapter Questions
Problem 10PTTS
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Last week Tim got a score of X = 54 on a math exam with μ = 60 and σ = 8. He also got X = 49 on
an English exam with μ = 55 and σ = 3, and he got X = 31 on a psychology exam with μ = 37 and σ= 4. For which class should Tim expect the best grade?
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