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Two unbiased coins are tossed.what is the probability of getting at one tail A)1/2 B)1/3 C)2/3 D)3/4 E)none of the above answers is correct?

General Science
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Question added by Nomathemba Prudence
Date Posted: 2018/03/04
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Ristu Tripura
by Ristu Tripura , Students , Exam only

3/4 answer is their okay... Actually i don't know answer

Nisar Hossain
by Nisar Hossain , assistant engineer , Lift-O-Marine

Total 4 cases = [HH, TT, TH, HT]Favourable cases = [HH, TH, HT] Please note we need atmost one tail, not atleast one tail.So probability = 3/4

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