Mathematics for IGCSE & O level - Probability (Section 7 - No. 12)
A fair coin is tossed twice. What is the probability of getting at least one tail?
1/4
1/2
3/4
1/8
ব্যাখ্যা
Possible outcomes are HH, HT, TH, TT. Three out of four outcomes include at least one tail.