CSEC Mathematics · January 2017 · Paper 1 · Question Q43

When three coins are tossed simultaneously the possible outcomes are {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}, where H represents a head and T represents a tail. What is the probability of randomly obtaining at LEAST TWO heads when the three coins are tossed simultaneously?

1. (A)\frac{1}{4}
2. (B)\frac{3}{8}
3. (C)\frac{1}{2}
4. (D)\frac{2}{3}