1 (a) ƒ (kx) = 2x+1_2²²₂ = - 2*, x = 1, 2, ..., N, and zero elsewhere (b) f(x)=p(1-p)*, x=0,1, 2, ..., and zero elsewhere; 0

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. Show that the following are probability density functions:
1
(a) f(x) =
-2*, x = 1, 2, ..., N, and zero elsewhere
2N+1-2
(b) f(x)=p(1-p)*,
x=0, 1, 2, ..., and zero elsewhere; 0 <p<1.
(c)f(x) = 6x(1-x), 0<x< 1, and zero elsewhere,
(d) f(x)=2e-2x, 0<x<∞, and zero elsewhere.
Transcribed Image Text:3. Show that the following are probability density functions: 1 (a) f(x) = -2*, x = 1, 2, ..., N, and zero elsewhere 2N+1-2 (b) f(x)=p(1-p)*, x=0, 1, 2, ..., and zero elsewhere; 0 <p<1. (c)f(x) = 6x(1-x), 0<x< 1, and zero elsewhere, (d) f(x)=2e-2x, 0<x<∞, and zero elsewhere.
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