9. A random variable X has the following p.m.f: X0 1 2 3. P J0.1 0.3 0.4 0.2 And F(x) is the cdf for X, then F(2) = () (A) 0.2; (B) 0.4; (C)0.8 (D)I.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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9. A random variable X has the following p.m.f:
X0 1 2 3
P 0.1 0.3 0.4 02
And F(x) is the cdf for X, then F(2) =()
(A) 0.2;
(B) 0.4;
(C)0.8
(D)I.
Transcribed Image Text:9. A random variable X has the following p.m.f: X0 1 2 3 P 0.1 0.3 0.4 02 And F(x) is the cdf for X, then F(2) =() (A) 0.2; (B) 0.4; (C)0.8 (D)I.
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