When activity times are uncertain, total project time is normally distributed with mean equal to the sum of the means of all of the critical activities.
Indicate whether the statement is true or false
Q. 2A regression analysis between demand (y in 1000 units) and price (x in dollars) resulted in the following equation: y = 9 3x The above equation implies that if the price is increased by 1, the demand is expected to _____.
a. increase by 6 units
b. decrease by 3 units
c. decrease by 6,000 units
d. decrease by 3,000 units
Q. 3The length of time an activity can be delayed without affecting the project completion time is the slack.
Indicate whether the statement is true or false
Q. 4Regression analysis was applied between sales (in 1000s) and advertising (in 100s), and the following regression function was obtained. y = 500 + 4x Based on the above estimated regression line, if advertising is 10,000, then the point estimate for sales (in dollars) is _____.
a. 900
b. 900,000
c. 40,500
d. 505,000
Q. 5The earliest finish time for the final activity is the project duration.
Indicate whether the statement is true or false
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