A “punishment" game consists of two parts described as follows: • Step 1: Flip three fair coins, and let X e {0, 1, 2, 3} be the number of head(s). • Step 2: Eat X piece(s) of sushi. Each piece has (independently) 0.4 probability to contain (a lot of) wasabi. (a) Let Ek, k e {0,1, 2,3} be the probability of one player having k spicy sushi. Find P(ER). (b) Suppose a player eats one piece of spicy sushi, what is the probability that X = 2.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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A "punishment" game consists of two parts described as follows:
• Step 1: Flip three fair coins, and let X e {0,1,2,3} be the number of head(s).
• Step 2: Eat X piece(s) of sushi. Each piece has (independently) 0.4 probability to
contain (a lot of) wasabi.
(a) Let Ek, k e {0,1, 2,3} be the probability of one player having k spicy sushi. Find
P(Ek).
(b) Suppose a player eats one piece of spicy sushi, what is the probability that X = 2.
%3D
Transcribed Image Text:A "punishment" game consists of two parts described as follows: • Step 1: Flip three fair coins, and let X e {0,1,2,3} be the number of head(s). • Step 2: Eat X piece(s) of sushi. Each piece has (independently) 0.4 probability to contain (a lot of) wasabi. (a) Let Ek, k e {0,1, 2,3} be the probability of one player having k spicy sushi. Find P(Ek). (b) Suppose a player eats one piece of spicy sushi, what is the probability that X = 2. %3D
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