sydneymg sydneymg

02-05-2024
Mathematics

Answered

Like probability, try here!
There are 12 identical envelopes and only one of them has $100 inside. Suppose the envelopes are opened one at time until the one that has $100 is opened. Let X be the number of envelopes opened. Find the expected value of X. Round answer to one digit after the decimal point. Never mind! I figured it out

Answer :

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