4) The median of the pdf f (x) = x 1,2,3, .7 is equal to 5 a. True b. False 5) The value of the constant k that makes f, (x) = k,0
4) The median of the pdf f (x) = x 1,2,3, .7 is equal to 5 a. True b. False 5) The value of the constant k that makes f, (x) = k,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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Transcribed Image Text:4) The median of the pdf f (x) = x= 1,2,3, .,7 is equal to 5
%3D
28
a. True
b. False
5) The value of the constant k that makes f (x) = k,0 <x< 3 a pdf of X is
a. True
b. False
6) Define a joint function by
fer(x, y) = {x*y 0<x< 3 and 0<y <1, then the function fxy(x,y) is a pdf
otherwise
a. True
b. False
7) Define a joint pdf by
frr (x, y) = 2xy 0<x<2 and 0 <y<1 then the random variables X
otherwise
and Y are not independent
a. True
b. False
8) Let X-Po(2). if P(X = 1) = 2P(X = 2), then the value of i = 2
a. True
b. False
9) Let X has a Bernoulli distribution, and let Y = 2X, then Var(Y) = 4pq
%3D
a. True
b. False
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