Question 2

a) Given that P(A)=0.35 , P(B)=0.4 and P(B/A)=0.375. Find the following probabilities: (i) P(A and B) (ii) P(A or B) (iii) P(A/B)(2+2+2 marks)

b)There are 100 trainees in a management trainee program, 60 of the trainees are female. Forty females attended college whereas 10 males did not attend college. A management trainee is selected at random. What is the probability that the person selected is a

i)female given that she did not attend college?(3 marks)

ii) male or attend college?(3 marks)

iii)Are the events "male" and "do not attend college" independent? Are they mutually exclusive? Explain why or why not.(4 marks)

Question 3

a) Briefly describe the difference between descriptive statistics and inferential statistics.(3 marks)

b) Provide two examples each of nominal, ordinal and numerical data.(3 marks)