3. A trial has just resulted in a hung jury because eight numbers of the jury were in favor of a guilty verdict and the other four were for acquittal. Suppose the jurors leave the jury room in random order and each of the first three leaving the room is accosted by a reporter in quest of an interview. (a) What is the pmf of X = the number of jurors favoring acquittal among those interviewed? (b) Find EX and SD(X). (c) What is the pmf and cdf of Y = 3 - X?

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