There are 10 different accounts under study at a local credit union. 3 have $10,000 in the account, 2 have $12,500, 4 have $15,000, and 1 has $20,000. An account is selected at random. Find the expected value and the variance of the money in the account.

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The Answer of There are 10 different accounts under study at a local credit union. 3 have $10,000 in the account, 2 have $12,500, 4 have $15,000, and 1 has $20,000. An account is selected at random. Find the expected value and the variance of the money in the account.

There Are 10 Different Accounts Under Study at a Local