A random variable X has pmfs: 6. 0,1 10 0,4 12 0,15 P. 0,05 0,3 If Z=5-2X.Find the expectation of Z Select one: O a. 20 O b. -13 O C. -20 O d. 13 00

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A: Since you have posted multiple questions, as per our policy we will answer first question. Please…

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