Question: a] What are the possible values of the random variable X that counts the number of heads when a fair coin is flipped three times?

a] What are the possible values of the random variable X

a] What are the possible values of the random variable X that counts the number of heads when a fair coin is flipped three times? b) Calculate the probabilities P(X = () for t in the value set. Find the expectation of (i) X (ii) X3 d) What is the variance of X

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