# Three coins are tossed.

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

## 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

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