The most-purchased vehicles are listed for each state
and the District of Columbia.
The table compares
manufacturers and vehicle type.
1.
Assume one state is randomly selected.
Find the following probabilities:
a.
P
(
Toyota
)
=
¿
b.
P
(
SUV
)
=
¿
c.
P
(
Toyota AND SUV
)
=
¿
d.
P
(
Toyota OR SUV
)
=
¿
e.
Is
P
(
Toyota
)
+
P
(
SUV
)
=
P
(
Toyota OR SUV
)
?
Why is this the case?
2.
Assume one state is randomly selected.
Find the following probabilities:
a.
P
(
NOT Truck
)
=
¿
b.
P
(
NOT Ford
)
=
¿
c.
P
(
NOT TruckOR NOT Ford
)
=
¿
d.
P
(
NOT
(
Truck OR Ford
)
)
¿
¿
¿
1
−
¿
¿
e.
Is
P
(
NOT
W
OR NOT
G
)
=
P
(
NOT
(
W
OR
G
)
)
?
3.
List the events that are mutually exclusive.
4.
What conclusion can you make about manufacturers and America’s favorite types of vehicles?
Use at
least two probabilities to support your answer.
St
ts in
Context:
Section 5.2A
How can we use
probability to assess
American’s car
purchasing?
Sedan
SUV
Truck
Total
Ford
0
0
30
30
Dodge
0
0
5
5
Honda
1
3
0
4
Chevy
0
0
4
4
Toyota
1
6
1
8
Total
2
9
40
51
