The table below shows the probability distribution for a discrete random variable X. X 0 1 2 4 5 P(X=x) 0.15 0.20 n 0.30 0.10 a. State the value of n. b. Calculate the expected value, E(x). c. Calculate the variance, Var(x).
The table below shows the probability distribution for a discrete random variable X. X 0 1 2 4 5 P(X=x) 0.15 0.20 n 0.30 0.10 a. State the value of n. b. Calculate the expected value, E(x). c. Calculate the variance, Var(x).
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 table below shows the probability distribution for a discrete random variable X.
X | 0 | 1 | 2 | 4 | 5 |
P(X=x) | 0.15 | 0.20 | n | 0.30 | 0.10 |
a. State the value of n.
b. Calculate the
c. Calculate the variance, Var(x).
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