Question: A student must answer a multiple-choice question with five possible answers. He knows the correct answer with probability 0.55. It he does not know
A student must answer a multiple-choice question with five possible answers. He knows the correct answer with probability 0.55. It he does not know the correct answer, he randomly guesses one of the possible answers. a) Draw a tree diagram and clearly define all relevant events. (4) STA01A1 Assignment 2, University of Johannesburg What is the probability that he will answer the question incorrectly? (Hint: refer to p. 80 of your eBook) b) (3) if he answered the question correctly, what is the probability that he did not know the c) answer? Also interpret your answer. (Hint: refer to p. 81 of your eBook) (5)
Step by Step Solution
3.42 Rating (149 Votes )
There are 3 Steps involved in it
Knows the correct angwer P 055 Angwers R0 comcty by Jruess does not kmow the lorrect ang... View full answer
Get step-by-step solutions from verified subject matter experts
