50(1/5) + 10(2/5) + 1(2/5)
10 + 4 + 0.4
$14.40
Claire G.
asked • 05/06/18I have ten identical envelopes. You get to pick one.
2 envelopes have $50 in them, 4 envelopes have $10 and 4 envelopes have $1. What is the expected value
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