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.

	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

Question 1:

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

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

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

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.