The probability distribution for the number of automobiles sold during a day (x) at Bob Iron Motors is as follows. x f(x) 0 0.001 1 0.007 2 0.034 3 0.099 4 0.188 5 6 0.220 7 0.136 8 0.055 9 0.015 10 0.001 22 The variance of number of automobiles sold is, a 2.291 b 2.362 c 2.435 d 2.511
The probability distribution for the number of automobiles sold during a day (x) at Bob Iron Motors is as follows. x f(x) 0 0.001 1 0.007 2 0.034 3 0.099 4 0.188 5 6 0.220 7 0.136 8 0.055 9 0.015 10 0.001 22 The variance of number of automobiles sold is, a 2.291 b 2.362 c 2.435 d 2.511
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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Question
The probability distribution for the number of automobiles sold during a day (x) at Bob Iron Motors is as follows. |
x | f(x) |
0 | 0.001 |
1 | 0.007 |
2 | 0.034 |
3 | 0.099 |
4 | 0.188 |
5 | |
6 | 0.220 |
7 | 0.136 |
8 | 0.055 |
9 | 0.015 |
10 | 0.001 |
22 | The variance of number of automobiles sold is, | |||
a | 2.291 | |||
b | 2.362 | |||
c | 2.435 | |||
d | 2.511 |
Expert Solution
Step 1 We have given that
x | f(x) |
0 | 0.001 |
1 | 0.007 |
2 | 0.034 |
3 | 0.099 |
4 | 0.188 |
5 | X |
6 | 0.220 |
7 | 0.136 |
8 | 0.055 |
9 | 0.015 |
10 | 0.001 |
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