The bell-shaped histogram for the heights of three-year-old red pine seedlings on shown below is consistent with

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The bell-shaped histogram for the heights of three-year-old red pine seedlings on shown below is consistent with the assumption of a normal distribution having mean = 280 and sd = 58 millimeters. Let X denote the h eight, at three years of age, of the next red pine that will be measured. Find
(a) P(X < 250)
(b) P(X > 345)
(c) P(260 < X < 390)
(d) P(200 < X < 360)
(e) Check all of your answers using software.

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Statistics Principles And Methods

ISBN: 9781119497110

8th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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