Question

if two coins are tossed at a time ,write the probability of getting at least one head...?

Answer 1

when two coins are tossed at a time there are 4 possible outcomes

HH,HT,TT,TH

favourable outcomes= HH,HT,TH (3)

probability(of getting atleast one head)=favourable outcomes / total no. if outcomes

=3/4