Question

there r 18 girls and 12 boys in your class. what is the probability that a new id entering your class will b a boy(.12, .6, .4)?

Answer 1

*kid

Answer 2

Please state you question clearly.

Answer 3

6/15

Answer 4

12/(12+18)=0.4

Answer 5

18+12=30 which is the total number of students
so if we want to find the probability for a boy to walk in we take the total number of boys which is 12 and divide that by the total number of people. so that is 12/30 which is 0.4

Answer 6

thanks both of you