x P(x) 0 0.100 1 0.250 2 0.250 3 0.300 4 0.100   Verify it is a Probability Distribution. Find the probability that x is 1. Find the probability x is at least 3. Find the mean, standard deviation, and variance of the distribution

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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x

P(x)

0 0.100
1 0.250
2 0.250
3 0.300
4 0.100

 

  1. Verify it is a Probability Distribution.
  2. Find the probability that x is 1.
  3. Find the probability x is at least 3.
  4. Find the mean, standard deviation, and variance of the distribution
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