Question: A statistics exam was given. Calculate the percentile for each of the following four students. a. John's z-score was 1.62. b. Mary's z-score was 0.50.

A statistics exam was given. Calculate the percentile for each of the following four students.
a. John's z-score was –1.62.
b. Mary's z-score was 0.50.
c. Zak's z-score was 1.79.
d. Frieda's z-score was 2.48.

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