[" 16.Three unbiased coins are tossed once.What is the probability "],[" of getting no head? "]

Three unbiased coins are tossed. What is the probability of getting atmost 2 heads ?

Three unbiased coins are tossed.What is the probability of getting at most two heads?

Three unbiased coins are tossed. What is the probability of getting atleast 2 heads?

Three unbiased coins are tossed. What is the probability of getting at least 2 heads?

Two unbiased coins are tossed.What is the probability of getting at most one head?

Three coins are tossed once. Find the probability of getting:- no head

Three unbiased coins are tossed once. What is the probability of getting (i) all head ? (ii) two heads ? (iii) one head ? (iv) at least 1 head ? (v) at least 2 heads ?