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Passenger miles flown on Northeast Airlines, a commuter firm serving the Boston hub, are shown for the past 12 weeks: Week 1 2 3 4 5 6 7 8 9 10 11 12 Actual Passenger Miles (in thousands) 16 20 17 21 19 18 20 19 23 20 14 21 a) Assuming an initial forecast for week 1 of 16,000 miles, use exponential smoothing to compute miles for weeks 2 through 12. Use a = 0.22 (round your responses to two decimal places). 1 2 3 4 5 6 7 8 9 10 11 12 Week Forecasted Passenger Miles (in thousands) 16.00 16.00 16.88 16.91 17.81 18.07 18.05 18.48 18.59 19.56