QUESTION 3 3 points Calculate the variance for a task with the following time values: Optimistic 20 days, Realistic 40 days, and Pessimistic 70 days. Answer rounded to the nearest two decimal places. Answer with only numbers and a decimal point; for example XX.XX QUESTION 4 14 points A factory has determined that its capacity and best operating level to cut costs is at 2000 units produced per month. If actual production for the last three months has been the following: 1000, 1200, 1400 what is the average capacity utilization rate for the last three months? Answer should be a whole number only from 1 to 100 not a decimal and do not use a %; for example XX QUESTION 5 10 points Calculated Numeric: The Amount of Slack in days on Activity D is (number only): Question Activityormal timeormal cost/crash time/crash cost Acasays Acosts/ADays: 30days $500 15 days $2,000 $400 10 $1,200 $200 20 $1,100 $100 20 $100 $800 8 $3,000 $600 30 $2,000 $600 20 $1,600 Problems #2+3