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) = 0.1814; (d) P(17 < X < 21).
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) = 0.1814; (d) P(17 < X < 21).
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Given the
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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