Question

two unbiased coins are tossed simultaneously find the probability of getting two heads, at least one tail ,no head , 3 tail​

Answer 1

Step-by-step explanation:

S= {(HH), (HT), (TH), (TT) }

n(S)= 4

A) { HH }

n(A)= 1

P(A)= 1÷4

B) { HH HT TH }

P(B)= 3÷4

C) { TT } n(C) = 1

P(C)= 1÷4

D) { } n(D)= 0

P(D)= 0÷4 = 0