Let the random variable Y denote the proportion of times a head occurs in three tosses of

Question:

Let the random variable Y denote the proportion of times a head occurs in three tosses of a coin, that is, V = (No. of heads in 3 tosses)/3.
(a) Obtain the probability V.
(b) Draw the probability histogram.
(c) Calculate the E(Y) and sd(Y). Distribution
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