Given: Coin tossed 5 times
To find: the probability of getting no head
Sol: The coin is tossed 5 times, hence n(S)=25=32
As we need to find the probability of getting no head, which is possible only in one case i.e., {TTTTT}. Hence n(E)=1
Therefore, the probability of getting no head, n(E)n(S)=132