Let Y be the difference between the number of heads and the number of tails in the 3
tosses of a fair coin.
(a) Plot the cdf of the random variable Y.
(b) Express P[|Y|<y] in terms of the cdf of Y
tosses of a fair coin.
(a) Plot the cdf of the random variable Y.
(b) Express P[|Y|<y] in terms of the cdf of Y