Question: A student is taking a multiple-choice exam in which each question has four possible answers. She knows the answers to 60% of the questions and

A student is taking a multiple-choice exam in which each question has four possible answers. She knows the answers to 60% of the questions and guesses at the others. What is the probability that she guessed given that she got question 12 right?

Step by Step Solution

★★★★★

3.47 Rating (150 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Let Bshe guessed Ashe g... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Elementary Probability For Applications Questions!

A student is taking a multiple- choice exam in which each question has four choices. Assume that the student has no knowledge of the correct answers to any of the questions. She has decided on a...

A student is taking a multiple-choice exam in which each question has four choices. Assume that the student has no knowledge of the correct answers to any of the questions. She has decided on a...

A high school history teacher gives a 50-question multiple-choice examination in which each question has four choices. The scoring includes a penalty for guessing. Each correct answer is worth 1...

a). A fair coin is tossed 8 times. i ) . What is the probability that the eighth toss results in a head given that preceding 7 tosses were heads? [2mks] ii ) . What is the probability of getting...

A student is taking a multiple-choice test in which each question has four possible answers. She knows the answers to 50% of the questions, can narrow the choices down to two 30% of the time, and...

A student is taking a multiple-choice test in which each question has four possible answers. She knows the answers to 55% of the questions, can narrow the choices down to two 15% of the time, and...

A student is taking a multiple-choice test in which each question has four possible answers. She knows the answers to 50% of the questions, can narrow the choices down to two 30% of the time, and...

A sample of n = 16 scores is selected from a population withm= 80 withs= 20. On average, how much error would be expected between the sample mean and the population mean? 20 points 5 points 4 points...

Chapter 5DiscreteProbability Distributions Question 1 Define and explain what is meant by a probability Distribution of a discrete random variable. Offer an example(s) where necessary to further...

a. What is the probability that she will get 5questions correct? I'd appreciate an Excel formula if possible, Thank you! A student is taking a multiplechoice exam in which each question has four...

How many protons and neutrons are in each isotope? c. 252Es d. 40K 48

Calculate The amount payable to all the employees Total accrued tax Accrued insurance Employer's Costs Wages Social Security Medicare SUTA FUTA Liability Insurance Workers' Comp. Health Insurance...

15.16 Suppose a second replicate of the experiment in Exercise 15.13 could be performed. (a) Would a second replication of the blocking scheme of Exercise 15.13 be the best choice? (b) If the answer...

Changes resulting from cash inflows and cash outflows. LO.1

Read the article, Twitter as a Communication Tool for Nonprofits: A Study of Sport-for-Development Organizations, by Svensson, Mahoney, and Hambrick. How did the authors suggest that nonprofit...

Read Nonprofit Collaboration with Luxury Brands: Positive and Negative Effects for Cause-Related Marketing written by Boenigk and Schuchardt. Did the authors find the use of luxury brand partners to...

Read Nonprofit Collaboration with Luxury Brands: Positive and Negative Effects for Cause-Related Marketing written by Boenigk and Schuchardt. (See Articles.) What precautions did the authors...

Horizontal analysis for 5 years 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 11,896 3,269 19,938 6,799 19,490 6,458 18,201 5,975 17,655 5,544 16,916 5,380 16,223 4,963 15,166 4,588 14,523 3,680...

If a loss of $134000 is realized when selling (for cash) a building having a book value of $992000, the total amount reported in the cash flows from investing activities section of the statement of...

Rose Corporation acquired 100 percent of Lilly Companys outstanding common stock on January 1, for $880,000 in cash. Lilly reported net assets with a carrying amount of $560,000 at that time. Some of...