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(From Exercise 8.21) I have 6 dimes, 4 quarters, and 6 pennies in my pocket. I...

(From Exercise 8.21)
I have 6 dimes, 4 quarters, and 6 pennies in my pocket. I pick three coins at random. (This is a sample of three without replacement.) Find the expected total value in cents of the three chosen coins.
Expectation =
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Answer #1

Given that:

Dimes = 6

Quarters = 4

Pennies = 6

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