(1) The following table gives a probability distribution of a random variable X. Values of X Probabilities 1 13 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} (b) {–1, 0, 1, 3} (e) {–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) (3) For the equivalent population of the last exercise, the population mean is -1 2.5 None of the above N/A (Select One) 3.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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My answers were all zeros from problems 1,2 &3.  Is that correct? Can u double-check my work? I have the problems attached and my answers. 

Ox -1|0 |1 13
0-4 0.1
0.1
Elx) = Ex.P[x=a7 ={1x0.4)+6xo.4)+(1x0.1)(3x0}
%3D
-| xo.4)+(0xo.4)+(1xo.
- 0.y +0 +o.l+0. 3
二
Ecx) =o
The expectation of * s
ECXJ =0
(2
{-1,0,1,33 answer is b
☺ Zero Ansuer is
Transcribed Image Text:Ox -1|0 |1 13 0-4 0.1 0.1 Elx) = Ex.P[x=a7 ={1x0.4)+6xo.4)+(1x0.1)(3x0} %3D -| xo.4)+(0xo.4)+(1xo. - 0.y +0 +o.l+0. 3 二 Ecx) =o The expectation of * s ECXJ =0 (2 {-1,0,1,33 answer is b ☺ Zero Ansuer is
(1) The following table gives a probability distribution of a random variable X.
Values of X
Probabilities
|-1
3
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}
Ф (—1, 0, 1, 3}
(c) {–1, – 1, –1,
(d) {0.4, 0.4, 0.1, 0.1}
(e) None of the above
- 1, 0, 0, 0, 0, 1, 3}.
The correct answer is
(а)
(b)
(c)
(d)
(е)
N/A
(Select One)
(3) For the equivalent population of the last exercise, the population mean is
-1
3
2.5
None of the above
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 3 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} Ф (—1, 0, 1, 3} (c) {–1, – 1, –1, (d) {0.4, 0.4, 0.1, 0.1} (e) None of the above - 1, 0, 0, 0, 0, 1, 3}. The correct answer is (а) (b) (c) (d) (е) N/A (Select One) (3) For the equivalent population of the last exercise, the population mean is -1 3 2.5 None of the above N/A (Select One)
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