A coin is weighted so that the probability of getting heads is suppose you toss this coin 15 times. Let X represent the number of heads. What are the mean and standard deviation of X?
OW, = 0.67, 0, = 0.88
O x = 7.5.0. = 2.33
O wx = 7.5, 0,=3.33
O wx = 10, 0, = 1.83
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