Question

Three coins are tossed simultaneously what is the probability of getting at most one head find the probability of getting exactly one head

Answer 1

Here, sample space,s=(HHH,TTT,HTT,THH,HHT, TTH,THT, HTH)

P(getting at most one head)={TTT,HTT,THT,TTH}

=4/8=1/2

P(getting exactly one head)={HTT, TTH, THT}

=3/8

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