Given the following table of grades from a middle school math class:

Question

Grades. A. B. C. D. E. Totals

Male. 17. 8. 14. 11. 3. 53

females. 12. 11. 13. 6. 5. 47

totals. 29. 19. 27. 17. 8. 100

a)What is the probability that a randomly selected student got an A

or B?

b)What is the probability that an "A" student is male?

c)What is the probability that if a student was female that they got a

passing grade?

d)What is the probability of a male student given that they failed?

e)What is the probability of randomly selected student is male?

f)What is the probability of a female student given that they got a"B"?

g)What is the probability of a randomly selected student passing the

class.

Answer 1

a) 48/100

b) 17/29

c) 42/47

d) 3/8

e) 53/100

f) 11/19

g) 92/100