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(a) Explain why P(X ≤x) #1, for every x. (b) Find a and b. (c) Find the probability density function f.

(a) Explain why P(X ≤x) #1, for every x. (b) Find a and b. (c) Find the probability density function f.

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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4. Let F be a cumulative distribution function of a continuous random variable X where [0, if x < 0 F(x)=- a-(b+x)e, if x 20. Do the following problems by showing every detail. (a) Explain why P(X ≤x) #1, for every x. (b) Find a and b. (c) Find the probability density function f.
Transcribed Image Text:4. Let F be a cumulative distribution function of a continuous random variable X where [0, if x < 0 F(x)=- a-(b+x)e, if x 20. Do the following problems by showing every detail. (a) Explain why P(X ≤x) #1, for every x. (b) Find a and b. (c) Find the probability density function f.
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