OMTEX CLASSES: Two coins are tossed. Find the probability of the events head appears on both the coins.

Two coins are tossed. Find the probability of the events head appears on both the coins.

Since two coins are tossed  
Sample space = {HH, HT, TH, TT}
∴ n(S) = 4

Let A = Event of getting a head appears on both the coins.

∴ A = {HH}

∴ n(A) = 1

P(A)
=
n(A)
=
1


n(S)

4