Random process flips a fair coin four times

Reference no: EM131824422

A random process flips a fair coin four times. Determine the pmf for each of the following random variables:

X = number of heads before first tail (4 if no tails),
Y = number of heads after first tail (0 if no tails),
Z = absolute difference between number of heads and number of tails,
W = product of number of heads and number of tails.

Reference no: EM131824422

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