Suppose that we flip a fair coin n times. Show that (a) For any 0

Suppose that we flip a fair coin n times. Show that #TAILS equals (a) For any 0 < e, show that the expected value of (1 + e) (b) Use Chebyshev's inequality to conclude that the probability of produc- ing more than TAILS tends to zero exponentially as n -+ 00.