Question

In a group of 30 students, there are 14 girls and 4 of them can speak french. 6 0f the 16 boys can speak french. If a student is selected randomly from the group, find the probability that the selected student : a) can speak french; b) is a boy; c) is a girl who can speak french.

Answer 1

Answer:

A can speak french

There are 10 students who can speak french, 4 girls and 6 boys

P(french) = speak french/ total

               = 10/30

                 = 1/3

B is a boy

There are 16 boys

P (boy) = boys/total

           = 16/30

            8/15

C girl who can speak french

There are 4 girls who can speak french

P (girl who can speak french) = girl who can speak french/ total

                                                  =4/30

                                                    2/15