Exercise 4.35. every morning jack flips a fair coin ten times. he does this for an entire year. let x denote the number of days when all the flips come out the same way (all heads or all tails). (a) give the precise expression for the probability p (x > 1). (b) apply either the normal or the poisson approximation to give a simple estimate for p (x > 1). explain your choice of approximation.