MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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X~ N(60,9). Suppose that you form random samples of 25 from this distribution. Let X- be the random variable of averages. Let £X be the random variable of sums. To make you easy, drawing the graph, shade the region, label and scale the horizontal axis for X-, and find the probability. X-~N(60,9/ radical 25). Find P(18< X-<58).
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