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  1. mathematics
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  3. assume a normal distribution for each question. (a

Assume a normal distribution for each question. (a) What proportion of the distribution consists of z-scores greater...

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Statistics

Assume a normal distribution for each question.

(a) What proportion of the distribution consists of z-scoresgreater than 0.25? (

b) What is the probability of obtaining a z-score less than0.50? (

c) What is the probability of obtaining a z-score greater than−1.50?

(d) What is the probability of obtaining a z-score between +1.00and −1.00?

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