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In a class there are x girls and y boys , a student is selected at random ,then find the probability of selecting a boy?

Posted by Jagroop Singh Singh 4 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Seth 4 years, 2 months ago

Q : In a class, there are x girls and y boys, a student is selected at random, then find the probability of selecting a boy.

A n s w e r :

Number of boys = y
Total students = (x + y)
Thus,P(a boy)= y/(x+y)

0Thank You

ANSWER

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CBSE > Class 09 > Mathematics