Question

there are 30 students in a certain class of a school of which 20 are boys and 10 are girls the class teacher wants to select a student as a monitor. what is the probability that the monitor selected is (a) a boy (b) a girl

Answer 1

Hi there

Your answer is :-

No.of Boys = 20

No. of Girls = 10

Total student = 30

P = Probability

E = Event


◆ P ( E ) of getting boy monitor = 20 / 30

= 0.66 ( Ans )


◆ P ( E ) of getting girl monitor = 10 / 30

= 0.33 ( Ans )



Thank You