Jambmaths question: If three unbiased coin are tossed, find the probability that they are all heads Jamb Maths Solution: $P(HHH)=\tfrac{1}{2}\cdot \tfrac{1}{2}\cdot \tfrac{1}{2}=\tfrac{1}{8}$ Jamb Maths Topic: ProbabilityYear of Exam: Jamb Maths 2010