A fair coin is tossed three times. Find the probability o...
A fair coin is tossed three times. Find the probability of getting two heads and one tail.
12
38
14
18
Correct answer is B
Pr(head) = 12, Pr(tail) = 12:Pr(2 heads)
= 12 x 12 = 14
Pr(2 heads and tail) 3 times
= (14 x 12) x 3
= 38
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