Young men are shorter
Suppose the heights of women aged 20 to 29 follow approximately the N(61, 2.4) distribution. Also assume men the same age have heights distributed as N(66.5, 3.2).
What percent (±0.1) of young men are shorter than average young women?
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What percent of observations lie above 0.3? What percent of observations lie between 0.7? What percent of observations lie between 0.7 and 0.2?
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Suppose the heights of women aged 20 to 29 follow approximately the N(61, 2.4) distribution. Also assume men the same age have heights distributed as N(66.5, 3.2). What percent (±0.1) of young men are shorter than average young women?
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The mean age of bus drivers in Chicago is assumed to be 50.9 years. Which of the following options represents the correct statement for the hypothesis?
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