### Assignment Instructions/ Description

Image transcription text1. A problem on a multiple-choice quiz is answered correctly with probability 0.9 if a student is

prepared. An unprepared student guesses between 4 possible answers, so the probability of

choosing the right answer is 1/4. Seventy-five percent of students prepare for the quiz.

(a) Define the events in the problem description with their respective probabilities.

(b) If a student gives a correct answer to this problem, what is the probability that he did

not prepare for the quiz?

(c) If a student gives a correct answer to this problem, what is the probability that he did

prepare for the quiz?... Show more