SOLUTION: In a class of 40 pupils, 18 are boys. 12 of the girls and 8 of the boys passed a
Mathematics test. If a boy is selected at random, the probability that he passed the test
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Mathematics test. If a boy is selected at random, the probability that he passed the test
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Question 858259: In a class of 40 pupils, 18 are boys. 12 of the girls and 8 of the boys passed a
Mathematics test. If a boy is selected at random, the probability that he passed the test Answer by Seutip(231) (Show Source):
You can put this solution on YOUR website! Getting probability(P) we use the formula:
So the no. of possible outcomes is 18 since there are 18 boy pupils, and the favorable is 8 since only 8 passed.
So,
or
