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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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Transcribed Image Text:4. Given the normally distributed variable Xwith 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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