Q42.A coin is biased so that the probability of obtaining a head is 0.75. The coin is tossed four times and the number of heads obtained is given by X. Find Var(X). Enter the answer correct to two decimal places.
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Q42
5 Jun 2022
Q42.A coin is biased so that the probability of obtaining a head is 0.75. The coin is tossed four times and the number of heads obtained is given by X. Find Var(X). Enter the answer correct to two decimal places.
