(Solved):
You have invited 64 guests to a party. You need to make sandwiches for the guests. You believe ...
You have invited 64 guests to a party. You need to make sandwiches for the guests. You believe that a guest might eat 0,1 , or 2 sandwiches with probability 1/4, 1/2, and 1/4 respectively. Assume that the number of sandwiches each guest needs is independent from other guests. How many sandwiches should you make so that you are 95% sure that there is no shortage. Round up fractional sandwiches to the next whole sandwich.