A biased coin with probability of heads 0.75 is tossed three times. Let X be a random variable that represents the numbe
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A biased coin with probability of heads 0.75 is tossed three times. Let X be a random variable that represents the numbe
A biased coin with probability of heads 0.75 is tossedthree times. Let X be a random variable that represents thenumber of head runs, a head run being defined as a consecutiveoccurrence of at least two heads. Then the probability massfunction of X would be given by?