(1) The following table gives a probability distribution of a random variable X Values of X Probabilities -1 0.4 0.4 0.1 0.1 The expectation of X is 0.4 0.5 1.5 N/A (Select One) (2) For the random variable, X of the last problem construct an equivalent random experiment involving a population from which a number is selected at random and the density of the resulting random variable is the same as that of the X. Here are a few proposed answers (a) {0.4, 0.1, 0.1, 0.1, 0.1} te {-1, – 1, - 1, – 1, 0, 0, 0, 0, 1, 3}. (d 0.4, 0.4, 0.1, Ó.1} te) None of the above The correct answer is (a) (b) (c) (d) (e) N/A (Select One)

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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Please just answer problem #2. 

(1) The following table gives a probability distribution of a random variable X.
Values of X
Probabilities
-1
1
3
0.4
0.4
0.1
0.1
The expectation of X is
-1
0.4
0.5
1.5
N/A
(Select One)
(2) For the random variable, X of the last problem construct an equivalent random experiment involving a population from which a number is selected at random and the density of the resulting random variable is the same as that of the X.
Here are a few proposed answers
(a) {0.4, 0.1, 0.1, 0.1, 0.1}
Ф ( —1, 0, 1, 3}
(c) {-1, – 1, – 1, – 1, 0, 0, 0, 0, 1, 3}.
(d) {0.4, 0.4, 0.1, 0.1}
(e) None of the above
The correct answer is
(a)
(b)
(c)
(d)
(e)
N/A
(Select One)
Transcribed Image Text:(1) The following table gives a probability distribution of a random variable X. Values of X Probabilities -1 1 3 0.4 0.4 0.1 0.1 The expectation of X is -1 0.4 0.5 1.5 N/A (Select One) (2) For the random variable, X of the last problem construct an equivalent random experiment involving a population from which a number is selected at random and the density of the resulting random variable is the same as that of the X. Here are a few proposed answers (a) {0.4, 0.1, 0.1, 0.1, 0.1} Ф ( —1, 0, 1, 3} (c) {-1, – 1, – 1, – 1, 0, 0, 0, 0, 1, 3}. (d) {0.4, 0.4, 0.1, 0.1} (e) None of the above The correct answer is (a) (b) (c) (d) (e) N/A (Select One)
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