Author Question: The variance Var(x) for the binomial distribution is given by equation a. np(n - 1). b. np(1 - ... (Read 24 times)

bobbysung · **on:** Jun 24, 2018

The variance Var(x) for the binomial distribution is given by equation
a. np(n - 1).
b. np(1 - np).
c. n(1 - p).
d. np(1 - p).

Question 2

The main difference between CPM and PERT is
a. the use of different activity time estimates.
b. PERT analysis is less expensive to conduct.
c. PERT lends itself to computerization while CPM networks must be constructed manually.
d. CPM integrates time and cost performance while PERT is based solely on time performance.