Question

Three unbiased coins are tossed together. Find the probability of getting: 1) Two heads, 2) at least two heads, 3)No head​

Answer 1

Answer:

2 heads= THH, HTH, HHT = 3 Ooutcomes out of 8 possible = 3/8

Atleast two head = preveous 3 outcomes plus the HHH outcome = 4/8

No head = TTT = 1/8

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