hello!

I was hoping if anyone can help me!

1.Which of the following is NOT true of a pareto chart

a.it focuses the attention on the most critical issues

b. Explores a possible future outcome

c. prioritizes potential "causes" of problems

d. separates the critical few from the uncritical many.

2. whcih of the following is NOT needed to come up with a project estimate

a.WBS

b. network diagram

c.Risk analysis

d. Change control system