Question
Suppose 48% of the general population of thw world has blood type O, 27% blood type A, and 23% blood type B.
a. what is the probability that someone has type AB blood( assume that there are only four blood types?
b. Of tjere are 30 people in a room,how many would you expect to have type A blood?
I got for the first answer a 2/27= 0.07 b. 27/30=0.9, I am not sure if this correct.
a. what is the probability that someone has type AB blood( assume that there are only four blood types?
b. Of tjere are 30 people in a room,how many would you expect to have type A blood?
I got for the first answer a 2/27= 0.07 b. 27/30=0.9, I am not sure if this correct.
Answers
Steve
1-.48-.27-.23 = .02, so 2% have AB
That is, types O,A,B account for 98% of the population.
30 * 27% = 8.1, so I'd expect 8
That is, types O,A,B account for 98% of the population.
30 * 27% = 8.1, so I'd expect 8
bria
ok, I understand now thanks!