In the situation of Exercise 5, show that a minimax sequential procedure is to choose the integer n which minimizes n -1 + nc, take a sample of size n, and estimate  by   In the situation of, show...

In the situation of Exercise 5, show that a minimax sequential procedure is to choose the integer n which minimizes n^-1
+ nc, take a sample of size n, and estimate
 by

In the situation of, show that a minimax sequential procedure is to choose the integer n which minimizes
 take a sample of size n, and estimate
 by