Question

Three unbiased coins are tossed together find the probability of getting 2 heads and at least 2 tails

Answer 1

Total outcomes = (h,h,h) (h,t,h) (h,t,t) (t,t,t) (t,h,t) (t,t,h)
                             i.e, 6
Possible outcomes = (i) 2/6 i.e., 1/3

(ii) 4/6 i.e., 2/3

Hope it helped.