Mathematics, 06.08.2019 03:30 dion27
The random variable x has the following probability distribution: x f(x) 0 .25 1 .20 2 .15 3 .30 4 .10 a. is this probability distribution valid? explain and list the requirements for a valid probability distribution. b. calculate the expected value of x. c. calculate the variance of x. d. calculate the standard deviation of x.
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The random variable x has the following probability distribution: x f(x) 0 .25 1 .20 2 .15 3 .30 4...
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