Question:
In a lottery, there are 6 prizes and 24 blanks. What is the probability of not getting a prize?
(a) $\frac{3}{4}$
(b) $\frac{3}{5}$
(c) $\frac{4}{5}$
(d) none of these
Solution:
(c) $\frac{4}{5}$
Explanation:
Number of prizes = 6
Number of blanks = 24
Total number of tickets = 6 + 24= 30
$\therefore P($ not getting a prize $)=\frac{24}{30}=\frac{4}{5}$
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