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The random variable X has density function fx (x) = ax + b for 0 < x < 1 (and equals 0 otherwise) where a and b are positive constants. Also E (X) = §. Use this information to determine the constants a and b. Then the probability P (X > 0.5) =

The random variable X has density function fx (x) = ax + b for 0 < x < 1 (and equals 0 otherwise) where a and b are positive constants. Also E (X) = §. Use this information to determine the constants a and b. Then the probability P (X > 0.5) =

A First Course in Probability (10th Edition)
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 function fx (x) = ax + b for 0<x< 1 (and equals O otherwise) where a and b are positive constants. Also E(X) = 3. 5 Use this information to determine the constants a and b. Then the probability P(X>0.5) =
Transcribed Image Text:The random variable X has density function fx (x) = ax + b for 0<x< 1 (and equals O otherwise) where a and b are positive constants. Also E(X) = 3. 5 Use this information to determine the constants a and b. Then the probability P(X>0.5) =
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