Ask a Question

An instructor has a question bank consisting of 300 easy True / False questions. 200 difficult True / False questions. 500 easy multiple choice questi

in Education by
An instructor has a question bank consisting of 300 easy True / False questions. 200 difficult True / False questions. 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected at random from the question bank, what is the probability that it will be an easy question given that it is a multiple choice question? Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
total no of question = 1400 `p(a) = (300+500)/1400 = 800/1400` `p(b) = (500+400)/1400 = 900/1400` `p(a nn b) = 500/1400` `p(a|b) = (p(a nn b))/(p(b))` `= (500/1400)/(900/1400)` `= 5/9` answer

Related questions

0 votes
Q: An instructor has a question bank consisting of 300 easy True/False questions, 200 difficult True/False
    An instructor has a question bank consisting of 300 easy True/False questions, 200 difficult True/False questions, ... question ? Select the correct answer from above options...
asked Nov 25, 2021 in Education by JackTerrance
0 votes
Q: In a multiple choice question, there are four alternative answers of which one or more than one is correct A candidate will get marks on the question
    In a multiple choice question, there are four alternative answers of which one or more than one is correct A ... marks on it. Select the correct answer from above options...
asked Nov 13, 2021 in Education by JackTerrance
0 votes
Q: For the following questions, choose the correct answer from the codes (a),(b),(c ) and (d) defined as follows. Let `H_(1),H_(2),.........H_(n)` be mut
    For the following questions, choose the correct answer from the codes (a),(b),(c ) and (d) defined as ... , Statement II is true Select the correct answer from above options...
asked Nov 13, 2021 in Education by JackTerrance
0 votes
Q: Imagine that you have come up with an AI based prediction model which has been deployed on the roads to check traffic jams.
    Imagine that you have come up with an AI based prediction model which has been deployed on the roads to check ... the above situation. Select the correct answer from above options...
asked Nov 12, 2021 in Education by JackTerrance

© Copyright 2018-2023 www.Blogmepost.com. All rights reserved. Developed by Blogmepost.

...