MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
A random variable X has the following probability distribution. Values of X -1 Probability 0.22 0.56 0.22 (a) Calculate the mean of X. (b) Calculate the variance of X. (c) Calculate the standard deviation of X. (Round the answer to the nearest thousandth.)
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Transcribed Image Text:A random variable X has the following probability distribution. Values of X -1 Probability 0.22 0.56 0.22 (a) Calculate the mean of X. (b) Calculate the variance of X. (c) Calculate the standard deviation of X. (Round the answer to the nearest thousandth.)
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