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What are the expected value and standard deviation of x

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Reference no: EM131742539

Question: Contest. You play two games against the same opponent. The probability you win the first game is 0.4. If you win the first game, the probability you also win the second is 0.2. If you lose the first game, the probability that you win the second is 0.3.

a) Are the two games independent? Explain your answer.

b) What's the probability you lose both games?

c) What's the probability you win both games?

d) Let random variable X be the number of games you win. Find the probability model for X.

e) What are the expected value and standard deviation of X?

Reference no: EM131742539

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