Using the Normal Distribution · Exercise 32
Suppose that Ricardo and Anita attend different colleges. Ricardo’s GPA is the same as the average GPA at his school. Anita’s GPA is 0.70 standard deviations above her school average. In complete sentences, explain why each of the following statements may be false:
(a) Ricardo’s actual GPA is lower than Anita’s actual GPA.
(b) Ricardo is not passing because his z-score is zero.
(c) Anita is in the 70^th percentile of students at her college.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Statistics · §6.2 Using the Normal Distribution · Exercise 32
No hints for this one.
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