Question

uald D are hot rue 8. In A total a management trainee program, 80% of the trainees are female, 20% male. of 90% of the females attended college, while 78% of the males attended eA management trainee is selected at random. What is the probability that the person selected is A female who did NOT attend college? A 0.20B. 0.08 0.80. E. None of the above. 9. What is the area under the normal curve between z--3.0 and z -2.0 A 0.0228. B. 0.4772. C. 0.1359 D. 0.0215. E. None of the above

please answer and show work

Answer 1

8)

P(attend a college) = 0.80 * 0.90 / (0.80 * 0.90 + 0.20 * 0.78)

= 0.72/0.876

= 0.8

P(did not attend a college) = 1 - 0.8 = 0.20

9)

P(-3 < z < -2) = P(z < -2) - P(z < -3) = 0.0228 - 0.0013 = 0.0215