a b and c are correct need help with d

The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly ori the anticipaled mileage to be diven next yeat. The miles driven during the past 5 years ate as follows: a) Using a 2-yeat moving average, the forecast for year 6=3,775 miles (round your response to the nearest whole number). b) If a 2-yeat moving average is used to make the forecast, the MAD based on this = 833 ) miles (round your response to one decimal place). (Hint: You will have oni) 3 years of matched data) c) The forecast for year 6 using a weighted 2 -year moving average with weights of 0.35 and 0.65 (the weight of 0.65 is for the most recent penod) = 3,753 miles (round your response to the nearest whole number). The MAD for the forecast developed using a weighted 2 -year moving averago with weights of 0.35 and 0.65=1400 mlos (round your responise to ane decimal place). (Hint You will have only 3 years of matched data) d) Using exponental smoothing with t=0.20 and the forecast for year 1 being 3,050 , the forecaz for year 6= mies (round your response to the nearest whole number)