Given the normally distributed variable X with mean 18 and standard deviation 2.5, find (a) P(X <
Question:
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;
(c) the value of k such that P(X > k) = 0.1814;
(d) P(17 < X < 21).
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a z 151825 12 PX 15 PZ 12 01151 b ...View the full answer
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Related Book For 
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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