Exam-Style Problem

Back to Subchapter
Browsing as Guest. Progress, bookmarks and attempts are disabled. Log in to track your work.
9709 P63 - Nov 2017 - Q4
2913

A fair die with faces numbered 1, 2, 2, 2, 3, 6 is thrown. The score, X, is found by squaring the number on the face the die shows and then subtracting 4.

  1. Draw up a table to show the probability distribution of X.
  2. Find E(X) and Var(X).
Solutions locked. Please sign in with access to view them.
No problems left in this filter.
Back to Subchapter