You simultaneously flip a pair of fair coins. Your friend gives you one dollar if both coins come up heads. You repeat this ten
times and your friend gives you X dollars. Find E[X], the expected number of dollars you receive. What is the probability that you do "worse than average"?
1 answer:
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Let the total candy bar be represented by x.
Amount of chocolate Kaitlyn gave to Arianna =
Amount of chocolate Arianna gave Cameron
=
rd <span>of the candy she got from Kaitlyn to Cameron
= </span> ×
=
Hence, Cameron got
th of the original chocolate.
Amount of chocolate Kaitlyn gave to Arianna =
Amount of chocolate Arianna gave Cameron
=
= </span>
=
Hence, Cameron got