If two fair coins are tossed, what is the probability of getting at least one head?

Assessment: JAMB UTME - Mathematics - 1985 Subject: General Mathematics

Question 1 Report

\frac{1}{4}

\frac{1}{2}

1

\frac{43}{78}

\frac{3}{4}

Answer Details

Prob. of getting at least one head
Prob. of getting one head + prob. of getting 2 heads
= $\frac{1}{4}$ + $\frac{2}{4}$
= $\frac{3}{4}$

Related Questions

Everything you need to excel in JAMB, WAEC & NECO