The random variable X has density fx (x) = ax? +b for 0 < x < 1 (andequal to 0 otherwise), where a and b are positive constants. Also, the5expected value of X is E (X) = .8Use this information to determine a and b.Then P (X > 0.4) =

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Answered: The random variable X has density fx…

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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The random variable X has density fx (x) = ax? +b for 0 < x <1 (and equal to 0 otherwise), where a and b are positive constants. Also, the 5 expected value of X is E (X) = . 8 Use this information to determine a and b. Then P (X > 0.4) =