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For each of the following, identify the exam score that should lead to the better grade.

a. A score of X = 74 on an exam with M = 82 and σ= 8; or a score of X = 40 on an
exam with μ= 50 and σ= 20.
Answer:

b. A score of X = 51 on an exam with μ= 45 and σ= 2; or a score of X = 90 on an exam
with μ= 70 and σ= 20.
Answer:

c. A score of X = 62 on an exam with μ= 50 and σ= 8; or a score of X = 23 on an exam
with μ= 20 and σ= 2

Answer:

Respuesta :

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