A coin is tossed twice, what is the probability that at least one tail occurs?
Here the sample space is S= (TT, HH, TH, HT)
∴ Number of possible outcomes n (S) = 4
Let E be the event of getting at least one tail
∴ n (E) = 3
3
A coin is tossed twice, what is the probability that at least one tail occurs?
Here the sample space is S= (TT, HH, TH, HT)
∴ Number of possible outcomes n (S) = 4
Let E be the event of getting at least one tail
∴ n (E) = 3