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
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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
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
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