2C onl
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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Q2C only
Transcribed Image Text:2 The discrete random variable X has probability function
kx
x = 2,3
x* +1
2kx
P(X = x)
x = 4,5
=
%3D
x' -1
otherwise
20
a. Show that the value ofk is
33
b. Find the probability that X is less than 3 or greater than 4.
c. Determine P(|X – 3| < 1) and P(X > 4.5).
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