Question
The distribution of heights of American women aged 18 to
24 is approximately normally distributed with a mean of 65.5 inches and standard deviation of 2.5 inches. Calculate the z-score for a woman six feet tallSolution
Z = X-Mean / SD X= 6 feet = 6*12 inches = 72 inches Z = (72 – 65.5) / 2.5 = 2.6
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