Question

Two coins are tossed simultaneously. What is the probability of getting (a) at most 1 tail (b) at least 1 tail. Select the correct answer from above options

Answer 1

(a) S = {HH, HT, TH, TT}, n(S) = 4 Let A: At most 1 tail A = {HH, HT, TH}, n(A) = 3, P(A) = 3 4 3 (b) B = At least 1 tail B = {HT,TH,TT}, n(B) = 3. P(B) = 3 4 3