Urgent!!!

An operation analyst is forecasting this year's demand for one of his company's products based on the following historical data: Year Quantity Sold Forecast 4 years ago 12677 12360 3 years ago 14079 13619 2 years ago 15359 14781 Last year 16824 17405 What was the mean absolute percent error for these forecasts? a. 3.24613 b. 0.0329773 C. 1936 d. 162557 An activity, A, has two succeeding activities, B and C. Given the following information, determine the latest starting time for activity A. EF B =40, EF C = 42, LF B =48, LF C = 52; activity times are A = 4, B = 6, C = 8 a. 37 b. Insufficient information C. 40 d. 42 e. 38 A project has four major activities. Activity A precedes activity B, activity C precedes activity D. 3-point estimates for activities are A(8, 16, 24), B( 5.5, 11, 16.5), C(2, 2, 2), D(5, 5, 5) weeks. What probability would you assign to a project duration of more than 27 weeks? a. 0.6061 b. 1 c. 0.1931 d. 0.5 A garment manufacturer produces light jackets. It currently produces 700 jackets each 12-hour shift. If the production is increased to 1050 jackets each shift, the productivity increases by : a. 50% b. 16% c. 25% d. 100% There are four activities on the critical path, and the standard deviations for their durations are 3, 5, 14, and 15 days. The standard deviation of the duration of the critical path is: a. 6.083 b. 37 c. 9.25 d. 21.33 e. 455 Consider the data below: Month Jan Demand 127 157 217 172 262 202 172 232 Sep 172 Oct 217 Nov 217 Predict the demand for December using 4-period moving average. a. 209 b. 167 c. 202 d. 279 e. 168 Feb Mar Apr May Jun Jul Aug