Every pers o od type 0, a, b, or ab. a random
group of people are blood-typed, and the results are
shown in the table
use the table to determine the following probabilities
the probability that a randomly chosen person from
this group has type b is
the probability that a randomly chosen person from
this group has type ab is !
the probability that a randomly chosen person from
this group has type b or type ab blood is
blood type
number of people
22
lai 20
ab
ab
2