Question:
In a lottery, there are 8 prizes and 16 blanks. What is the probability of getting a prize?
(a) $\frac{1}{2}$
(b) $\frac{1}{3}$
(c) $\frac{2}{3}$
(d) none of these
Solution:
(b) $\frac{1}{3}$
Explanation:
Number of prizes = 8
Number of blanks = 16
Total number of tickets $=8+16=24$
$\therefore P($ getting a prize $)=\frac{8}{24}=\frac{1}{3}$