Question: Suppose that final exam marks follow a normal distribution with u = 83 and o = 6. What is the z-score for an exam mark

Suppose that final exam marks follow a normal distribution with u

Suppose that final exam marks follow a normal distribution with u = 83 and o = 6. What is the z-score for an exam mark of 78? O-0.87 O -0.83 O 0.87 0 0.83

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