Question

When two coins are tossed, what is the probability that two heads are obtained?

Answer 1

Sample space when two coins are tossed (S) = {HH, TT, HT, TH}

n(S) = 4

Event of getting two heads (A) = {HH}

n(A) = 1

Probability of getting two heads P(A) 

= `("n"("A"))/("n"("S"))`

= `1/4`