Out of 60 members of an Association, 15 are Doctors and 9 are Lawyers. If
MATHEMATICS
WAEC 2003
Out of 60 members of an Association, 15 are Doctors and 9 are Lawyers. If a member is selected at random from the Association, what is the probability that the member is neither a Doctor Nor a Lawyer
- A. \(\frac{3}{5}\)
- B. \(\frac{9}{10}\)
- C. \(\frac{3}{20}\)
- D. \(\frac{1}{4}\)
Correct Answer: A. \(\frac{3}{5}\)
Explanation
Member that are neither doctors nor lawyers = 60-(15+9)=36
Probability (Not doctors ad not lawyers) \(=\frac{36}{60}\\
=\frac{6}{10}=\frac{3}{5}\)
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