A multiple choice exam has 3 choices for each question. A student has studiedenough so that the probability they will know the answer to a question is 0.5, theprobability that they will be able to eliminate one wrong choice is 0.25, otherwiseall 3 choices seem equally plausible. If they know the answer, they will get thequestion right. If not, they must guess from the 2 or 3 choices. What is theprobability that the student gets the correct answer?

given data multiple choice exam 3 choices of each questions event : A: know the answer P(A) =0.5…

Answered: A multiple choice exam has 3 choices…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

Political scientists want to determine the probability of exactly 3 out of the next 5 voters they meet approving a proposal. If the sample probability of the voters approving the proposal is 50%, the number of trials is and the number of successful trials is The probability that 3 out of the next 5 voters approving the proposal is
Frank and Joe are planning to have 3 children. What is the probability that Frank and Joe will have at least 1 boy?
On a vocabulary quiz, Elena must match a word with its definition. There are 5 words and 5 definitions. She knows the correct definition for the first word but she guesses randomly for the other 4 words. What is the probability Elena will correctly match all 5 Words with their definitions?
Lydia is a project manager and submitted proposals for two different projects, Project X and Project Y to her boss. The probability of getting project X approved is 0.65. The probability of getting project Y approved is 0.77. The probability of getting at least one of the projects approved 0.90. The two projects are independent. True or False
You're taking a multiple choice exam. There are 10 questions, and for each question you select exactly one of 2 possible answers. If you choose random answers for each question, what is the probability that you will answer exactly 2 questions correctly?
John can take one of two highways, Interstate A and Interstate B, to get to work each day. The probability that there will be a traffic jam on Interstate A on a given day is 0.65, and the probability that there will be a traffic jam on Interstate B is 0.2. The probability that there will be a traffic jam on at least one of Interstate A or Interstate B is 0.8. Determine the probability that both Interstate A and B will be congested. 0.235 None in the list 0.050 0.062 0.765 Submit Answer Tries 0/3 Determine the probability that Interstate B is congested given that Interstate A is congested. 0.250 0.077 0.812 0.062 None in the list Submit Answer Tries 0/3 Determine the probability that there is a traffic jam on Interstate A given that at least one of the Interstates has a traffic jam. 0.062 None in the list 0.250 0.812 0.077
Math test has 6 multiple choice questions with four choices with one correct answer each. if you just randomly guess on each of the 6 questions, what is the probability that you get exactly 5 questions correct?
The probability of getting malaria after a mosquito bite is 32%. Eight friends go hiking and all are bitten. What is the probability that less than three of them got malaria?
Please show your solution. A petroleum company exploring for oil has decided to drill 2 wells, one after the other. The probability of not striking oil in the first well is 0.25. Given that they strike oil in the first attempt, the probability of striking oil in the second attempt is 0. 85. What is the probabilty of striking oil in both wells?
A vase contains purple, pink and yellow flowers. You and a friend are both allowed to choose one flower each from the vase to take home. You choose a flower first and then your friend chooses a flower. The probability that you choose a purple flower and then your friend chooses a yellow flower is 0.629. The probability your friend picks a yellow flower after you choose a purple is 0.85. The probability, to the nearest hundredth, that you choose a purple flower is A

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS