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QUESTION
Consider a random experiment "tossing un-fair coin two times" where the probability of head for the unfair coin is 0. Let random variable X be the...
Consider a random experiment "tossing un-fair coin two times" where the probability of head for the unfair coin is 0.4. Let random variable X be the number of heads. That is, X follows the binomial distribution with parameters n = 2, π=0.4.
(1) Calculate P(X≤1).
(2) Calculate P(X>1).
(3) Find the expected value of X.
(4) Find the standard deviation of X.
