Answer the following questions using the HYBRIDCARS data (on D2L).
The data containsa sample of prices for the Toyota Prius collected in July 2006 from n=160 dealers.
a) Give H0 and HA for testing whether the average July 2006 price was $25,000.
b) Calculate and interpret the p-value of the test.
c) State the appropriate conclusion for the test if α = 5%
d) State the appropriate conclusion for the test if α = 1%
e) Calculate a 95% confidence interval for the average Prius price and explain how it leads tothe same conclusion as part c)