Question

when an unbiased coin is tossed 3 times find the probability of receiving 3 times heads and two times heads
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Answer 1

Answer:

probability of receiving 3 times head is = 1/ 8

probability of receiving 2 times head is = 4/8 = 1/2

Answer 2

Answer:

P(A) total no of time tossed/Total no of trials

P(a) 3/3

1