Assume the distribution of the profit made on all cars sold by applewood auto group follow a normal distribution with mean $2000. the profits on a sample of cars sold by applewood group in the month of september are given in the excel file. applewood auto group hires you to investigate whether they underperformed in september in terms of profits at 0.05 significant level.
a. state the null and the alternate hypothesis?
b. what is your final decision and justify your answer?
c. what is the p-value?
d. can you say the same thing for the vehicle-type "sedan" at 0.10 significant level?

Suppose that the u.s. dollars-mexican pesos exchange rate is fixed by the u.s. and mexican governments. assume also that labor is mobile between the united states and mexico due to low transportation costs.which of the following situations is likely to happen as a result of a simultaneous increase in the demand for u.s. goods and decrease in the demand for mexican goods? (pick mexican unemployment rate increases, and the country undergoes bad economic times for a sustained u.s. unemployment rate increases, and the country undergoes bad economic times for a sustained mexican unemployment rate rises at first, but it soon drops as unemployed mexicans move to the united states for mexican unemployment rate rises at first, but then it drops as mexican pesos depreciate against u.s. dollars.