The random variable X represents the number of tests that a patient entering a hospital has. Find the mean and standard deviation for the random variable X from the following probability distribution. x pr(x) 0 0.18 1 0.29 2 0.35 3 0.12 4 0.06 Select one: a.mean: 3.72; standard deviation: 2.52 b.mean: 1.59; standard deviation: 1.10 c.mean: 2.52; standard deviation: 1.93 d.mean: 1.59; standard deviation: 3.72
The random variable X represents the number of tests that a patient entering a hospital has. Find the mean and standard deviation for the random variable X from the following probability distribution. x pr(x) 0 0.18 1 0.29 2 0.35 3 0.12 4 0.06 Select one: a.mean: 3.72; standard deviation: 2.52 b.mean: 1.59; standard deviation: 1.10 c.mean: 2.52; standard deviation: 1.93 d.mean: 1.59; standard deviation: 3.72
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The random variable X represents the number of tests that a patient entering a hospital has. Find the
x | pr(x) |
0 | 0.18 |
1 | 0.29 |
2 | 0.35 |
3 | 0.12 |
4 | 0.06 |
Select one:
a.mean: 3.72; standard deviation: 2.52
b.mean: 1.59; standard deviation: 1.10
c.mean: 2.52; standard deviation: 1.93
d.mean: 1.59; standard deviation: 3.72
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