The 92 million Americans of age 50 and over control 50 percent of all discretionary income. AARP estimated that the average annual expenditure on restaurants and carryout food was $1,877 for individuals in this age group. Suppose this estimate is based on a sample of 85 persons and that the sample standard deviation is $590. Round your answers to the nearest whole numbers. a. At 95% confidence, what is the margin of error? b. What is the 95% confidence interval for the population mean amount spent on restaurants and carryout food? c. What is your estimate of the total amount spent by Americans of age 50 and over on restaurants and carryout food? 53 million d. If the amount spent on restaurants and carryout food is skewed to the right, would you expect the median amount spent to be greater or less than $1,877 ? Select your answer - We would expect the median to be less than the mean We would expect the median to be more than the mean We would expect the median to be the same as before It cannot be determined from the given data