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Please help with hw (3) A certain population of children has heights that are normally distributed with a mean of 38.8 inches and a standard

Please help with hw

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(3) A certain population of children has heights that are normally distributed with a mean of 38.8 inches and a standard deviation of 2.9 inches. (a) (7pts) If one person is randomly selected from this population, find the proba- bility that his or her height will be at most 38 inches. Draw a good diagram and show the z-scores. (b) (7pts) Find the 85th percentile of this distribution. Draw a good diagram and show the z-scores

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