The Automobile Association of America claimed the average number of years car owners keep their car to be 7.1 years. A sample of 100 randomly selected car owners are surveyed. The output below shows the analysis based on the sample data.

Question 1: Which is correct?

a. This is aone-tail test and the datadoessupport the claim about the average number of years car owners keep their car.

b. This is aone-tail testand the datadoes notsupport the claim about the average number of years car owners keeptheir car.

c. This is a two-tail testand the datadoessupport the claim about the average number of years car owners keeptheir car.

d. This is atwo-tail testand the datadoes notsupport the claim about the average number of years car owners keeptheir car.

Question 2: Using the data presented in the previous question, what is the marginof error for a 95% confidence interval? Note: Please enter a value with 4 digits after the decimal point.

	Sample Data	Hypothesized Mean
Mean	6.698	7.100
Variance	0.788	0.000
Observations	100	100
Hypothesized Mean Difference	0
df	99
t Stat	-4.531
P(Tt) one-tail	0.000
t Critical one-tail	1.660
P(Tt) two-tail	0.000
t Critical two-tail	1.984