Given the normally distributed variable X with mean 18 and standard deviation 2.5, find (a) P(X <

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Given the normally distributed variable X with mean 18 and standard deviation 2.5, find

(a) P(X < 15):

(b) the value of k such that P(X < k) = 0.2236;

(d) P(17 < X < 21).

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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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Question Posted: Feb 03, 2011 05:08 AM

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Given the normally distributed variable X with mean 18 and standard deviation 2.5, find (a) P(X <

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a z 151825 12 PX 15 PZ 12 01151 b ...View the full answer

Probability & Statistics For Engineers & Scientists

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