Consider the Following Problem and Then Choose Which of the Statements

Multiple Choice

Consider the following problem and then choose which of the statements below is NOT true. If each of 10 people at a meeting shakes hands (once) with every other person,how many handshakes are exchanged?

A) The descriptive model might be "Ten people shaking hands with nine folks each… a couple fewer because you want to avoid repetitions ...say something like maybe sixty to seventy?"
B) The normative method will yield the "correct" answer: in this case,N x ((N-1) /2) .
C) A heuristic approach is not necessarily systematic or orderly,instead relying on educated guessing.
D) The algorithmic approach will differ substantially from the normative model of what is "right"; that is,it is particularly prone to distortions,inaccuracies,and omissions.