I need to know the specifics for creating an excel worksheet for the following problem. I can get it started but the new excel is throwing me off.

I need to know the specifics for creating an excel worksheet for the following problem. I can get it started but the new excel is throwing me off.Design and describe a computer-based simulation model that you will use to estimate the probability that among 25, 50, 75, 100, or 1000 randomly selected people, at least 2 people share the same birthday. Then I need to run the progam for sufficient iterations fro 25, 50, 75, 100, and 1000 randomly selected people and collect the data in a table.