Refer to Exercise 4.16. Let W be the event that the donor is white, B be the event that the donor is black, and A be the event that the donor is Asian. Also, let T1 be the event that the donor has blood type O, T2 be the event that the donor has blood type A, T3 be the event that the donor has blood type B, and T4 be the event that the donor has blood type AB.
In exercise

a. Describe in words the event T1| W.
b. Compute the probability of the occurrence of the event T1| W, P(T1| W).
c. Are the events W and T1 independent? Justify your answer.
d. Are the events W and T1 mutually exclusive? Explain your answer.

Blood Type AB Race/Ethnicity White Black Asian All others O 36% 7% 1.7% 1.5% 32.2% 2.9% 1.2% .8% 8.8% 2.5% 196 .3% 3.2% ,5% .3% .1 %