A coin is tossed successively three times. The probability of getting one head or two heads is :
A coin is tossed successively three times. The probability of getting one head or two heads is :
(A) 2/3
(B) 3/4
(C) 4/9
(D) 1/9
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(B) A coin is tossed successively three times. The probability of getting one head or two heads is 3/4.
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