Originally Posted by mohsinali303

Brother this is simple question why you are confusing your self.

Probability of head in two attempts is 50 50.

see first you tossed coin probability of head is 1/2.

Again you tossed coin probability of head is 1/2.

Now simplify the equation by adding 1/2+1/2= 2/4 => 1/2.

Two attempts was just to confuse the question