Three coins are tossed.

Three coins are tossed. Find the probability of at least 2 tails ?

Quiz

Answer/Solution

1/2

Steps/Work

n(s) = 2^3 = 8
let E is the event of getting at least 2 tails
n(E) = TTT, TTH , HTT, THT = 4
P(E) = n(E) / n(s)
= 4/8
= 1/2
Ans- A

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Three coins are tossed. Find the probability of at least tails?

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