betyolmos15 betyolmos15

15-12-2019
Mathematics

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I have 5 identical envelopes. You get to pick one.

1 envelope has $10 in it.
2 envelopes have $1 in them and 2 envelopes have a quarter (25 cents) in them.

What is the expected value?

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15-12-2019

Expected value of what

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