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