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(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 , o

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 sure that there is no shortage. Round up fractional sandwiches to the next whole sandwich.


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Let's start by finding the expected value and the standard deviation of the number of sandwiches each guest would eat.The expected value is:E[X]=0×(14
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