Question

please answer for this question​

Answer 1

Answer:

a.1

b.1/3

c.1/3. .....

Answer 2

Total students = 45 + 20 = 65

(i) P(1st one is girl) = 45/65 =9/13

(ii) P(2nd one is boy) = 20/65 = 4/13

(iii) P(3rd one is a girl) = 45/65 =9/13