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Mathematics, 15.04.2020 23:07 motionlessinwhite18
The following is the probability mass function for the number of times a certain computer program will malfunction: x 0 1 2 3 4 5 p(x) 0.05 0.3 0.34 0.18 0.08 0.05 (a) What is the probability that the computer program will malfunction more than 3 times? 0.31 (b) Compute E(X), E(X2), and V(X). E(X) = E(X2) = V(X) = (c) Suppose Y, the time in minutes to fix malfunctions, relates to the number of times the program malfunctions, by the function: Y = 8*X . What is the expected time in minutes needed to fix malfunctions in the program? Minutes (d) What is the variance of the time in minutes to fix the malfunctions? Minutes^2
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