11. [-/9.1 Points] DETAILS WACKERLYSTAT7 3.2.011. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Persons entering a blood bank are such that 1 in 3 have type Of blood and 1 in 18 have type Of blood. Consider three randomly selected donors for the blood bank. Let X denote the number of donors with type Of blood and Y denote the number with type O blood. Find the probability distributions for X and Y. Also find the probability distribution for Z = X + Y, the number of donors who have type O blood. (Round your answers to four decimal places.) 0 1 2 3 P(X) P(Y) P(Z) Need Help? Read It Watch It