a) Express the null and alternative hypotheses in symbolic form for this claim. Assume d = SUV-Car. Enter != for
≠
≠
.

H
0
:
μ
¯
d
H
0
:
μ
d
¯


H
a
:
μ
¯
d
H
a
:
μ
d
¯


b) What is the significance level?
α
=
α
=


c) What is the test statistic? Round to 3 decimal places.
=