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Probability
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
1 10
2 5
2 7
5 7
Correct Answer:
2 7
Explanation:
P (getting a prize) =
10
=
10
=
2
.
(10 + 25)
35
7
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