dawnmarshall22 dawnmarshall22

06-03-2018
Mathematics

contestada

There are 18 girls and 12 boys in class. What is the probability that a new kid in senior class will be a boy?

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jdoe0001 jdoe0001

06-03-2018

there are 18 + 12 total students.

18 are girls and 12 are boys, since the total is 30 students, that's the amount of probable outcomes, and since there are 12 boys, that's the amount of favorable outcomes, thus

12/30 or 0.4, 0.4 * 100 is 40%.

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