Select one answer 10 points Blood type AB is the rarest

Last updated: 3/9/2024

Select one answer 10 points Blood type AB is the rarest blood type occurring in only 4 of the population in the United States In Australia only 1 5 of the population has blood type AB Suppose a random sample of 50 U S residents and 40 Australians is obtained Consider the random variables described below X the number of U S residents with blood type AB Y the number of Australians with blood type AB What is the probability that exactly 2 of the U S residents have blood type AB Note Some answers are rounded A O 0 2762 B O 0 04 C O 0 1334 D O 0 0988 E O 0 2646