Finding Probabilities
Every person has blood type O, A, B, or AB. A random
group of people are blood-typed, and the results are
shown in the table.
Blood Type
O
A
B
AB
Number of People
22
20
6
2
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