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In a lottery, there are 10 prizes and 25 blanks.
Question 1:
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
A.
1/10
B.
2/5
C.
2/7
Feedback
P(getting a prize) = 10 / (10+25)
‹=› 10 / 35
‹=› 2 / 7.
D.
5/7
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