A company must perform a maintenance project consisting of seven activities. The activities, their predecessors, and their respective time estimates are presented here:
Immediate
Activity Designation Predecessor Time in Days
Break down both machines A None 3
Clean machine 1 B A 3
Clean machine 2 C A 3
Re-set machine 1 D B 4
Re-set machine 2 E C 2
Re-calibrate both machines F D and E 1
Final test G F 1
Using CPM, which activities have slack in this project?
a. A, B, C
b. B, D
c. Only C
d. C, E
e. F, G

Which of the following statements is true about financial planning

The distinction between a normal and an inferior good is

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?