Use the following to answer the questions below:
Heights of 10-year-old girls (5th graders) follow an approximately normal distribution with mean inches and standard deviation of inches.
-The tallest 15% of 10-year-old girls are taller than what height? Report your answer with one decimal place.
A) 57.2 inches
B) 57.8 inches
C) 58.8.8 inches
D) 59.8 inches

Question

Quizplus · Accepted Answer

The z-score for the tallest 15% of 10-year-old girls is 1.04. Using the formula z = (x - mu) / sigma, we can solve for x:1.04 = (x - 57.2) / 3.2x = 57.8 inches

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