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BECE Mathematics 2024 Paper
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© africaexams.com
Question : 21
Total: 40
There are 15 white and 25 black identical balls in a box. If a ball is selected at random from the box, find the probability that it is white.
1
25
1
15
3
8
5
8
Validate
Solution:
Probability
=
Number of possible selection
Number of samples
Number of white balls
=
15
Total balls
=
15
+
25
=
40
P
(
white
)
=
15
40
=
3
8
Note: 5 divides 15, 3 times and 40, 8 times
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