# Three coins are tossed together find the probability of getting one head and two tail

Dear Student,

We show sample space when three coins are tossed :

We know , Probability P ( E )  =

So,

n ( S ) =  8

Events where we get one head and two tail = { H,T,T} , {T,H,T} and {T,T,H} , So

Number of events where we get one head and two tail = 3 , So

n ( E ) = 3

Then,

Probability of getting 1 head and 2 tail  = $\frac{\mathbf{3}}{\mathbf{8}}$                                           ( Ans )