The variance Var(x) for the binomial distribution is given by ...

[bobbysung]

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.

[JCABRERA33]

Answer to Question 1

d

Answer to Question 2

a

[bobbysung]

TYSM

[adammoses97]

Thanks for the timely response, appreciate it