A surprise quiz contains three multiple-choice questions: Question 1 has four suggested answers, Question 2 has three,

Question:

A surprise quiz contains three multiple-choice questions: Question 1 has four suggested answers, Question 2 has three, and Question 3 has two. A completely unprepared student decides to choose the answers at random. Let X denote the number of questions the student answers correctly.
(a) List the possible values of X.
(b) Find the probability of X.
(c) Find P [At least 1 correct] = P[X > 1].
(d) Plot the probability histogram. Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...