Determining the expected value

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1. A baseball team has a 25-man roster. A batting order has nine people. How many different batting orders are there?

2. The Ohio lottery has a game called Pick 4 where a player pays $1 and picks a four-digit number. If the four numbers come up in the order you picked, then you win $2,500. What is your expected value?

Reference no: EM132058953

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