Question

Three perfect coins are tossed together.What is the probability of getting at least one head?

Answer 1

If three coins are tossed together

Then total number of possible outcomes = 2^3 = 8

[ HHH, HHT, HTH, THH, HTT, THT, TTH, TTT]

Occurrence of at least one head = one head + two head + all head = 3 + 3+ 1 =7

P = 7/8

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