Question

A fair coin is tossed 2 times in succession. The set of equally likely outcomes{HH, HT, TH, TT). Find the probability of getting a head on the first toss.The probability of getting a head on the first toss is __.

Answer 1

there is a total of 4 possible outcomes. In 2 of then, we have a head on the first toss. Therefore, the probability of getting a head on the first toss is 2/4 = 1/2 (or 0.5).