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(3) Let X be a r.v. with p.d. f. f(x) = а ,x = 1,2,3, ... е. w. The value of a is: (a) (b) 6. (c) 2 (d)

(3) Let X be a r.v. with p.d. f. f(x) = а ,x = 1,2,3, ... е. w. The value of a is: (a) (b) 6. (c) 2 (d)

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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(3) Let X be a r.v. with p.d. f. ,x = 1,2,3, ... a f(x) = e. w. The value of a is: (a) (b) 등 (c) 를 (d) -
Transcribed Image Text:(3) Let X be a r.v. with p.d. f. ,x = 1,2,3, ... a f(x) = e. w. The value of a is: (a) (b) 등 (c) 를 (d) -
Expert Solution
Step 1

To find the value of alpha we will use the fact that sum of probabilities of possible outcomes 8s always one

Note : 

(1 + a + a2 + a3 +.........) = 1/(1 - a)

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