Two coins are tossed once ,where E :no tail appears , F : no head appers. Find P(E/F).
total no. of outcomes=62=36
The pair which shows 6 on either dice are {(6,1),(6,2),(6,3),(6,4),(6,5),(1,6),(2,6),(3,6),(4,6),(5,6),(6,6)}=11
So total number of sample points in sample space when 6 on either dice do not appear=36-11=25
Total ways of getting 6 heads out of 8 toss of coins is 28.
Total number of outcome is 28 = 256
Therefore probability is