Question: A surprise quiz contains three multiple-choice questions: Question 1 has four suggested answers, Question 2 has three, and Question 3 has two. A completely unprepared

A surprise quiz contains three multiple-choice questions: Question 1 has four suggested answers, Question 2 has three, and Question 3 has two. A completely unprepared student decides to choose the answers at random. Let X denote the number of questions the student answers correctly.
(a) List the possible values of X.
(b) Find the probability distribution of X.
(c) Find P [At least 1 correct] = P[X > 1].
(d) Plot the probability histogram.

Step by Step Solution

★★★★★

3.46 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a b The possible values of X are 0 1 2 3 Denoting a correct answer by C and a wrong answer by W the ... 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

Document Format (1 attachment)

880-M-S-P (8230).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

A pop quiz consists of three truefalse questions and three multiple choice questions. Each multiple choice question has five possible answers. If a student blindly guesses the answer to every...

A quiz in a statistics course has four multiple-choice questions, each with five possible answers. A passing grade is three or more correct answers to the four questions. Allison has not studied for...

An economics quiz contains six multiple-choice questions. Let x represent the number of questions a student answers correctly. a. Is x a continuous or discrete random variable? b. What are the...

A surprise quiz contains three multiplechoice questions: Question 1 has four suggested answers, Question 2 has three, and Question 3 has two. A completely unprepared student decides to choose the...

The Johnsons have 7 children. Their ages are: 9, 15, 2, 4, 8, 10, 14 1. What is their median age? a) 4 b) 15 c) 9 d) 2* 2. What is the IQR of their ages a) 10* b) 15 c) 20 d) 25 3. Researcher has 100...

UNIT 5 QZ, Q-20 UNIT 5 / UNIT 8 QUESTIONS KEEP ANSWERS SEPARATE BY UNITS UNIT II STUDY GUIDE Consumer Mathematics Reading Assignment See information below. Key Terms 1. Add-on interest method 2....

Project Portfolio for BSBLDR811 Lead strategic transformation. Page 4 of 17 Introduction The assessment tasks for BSBLDR811 Lead strategic transformation are outlined in the assessment plan below....

PRICE 529000 629000 649000 699000 769000 879000 949000 520000 725000 729000 739000 739000 815000 829000 849000 849000 899000 928000 949000 1149000 1199000 650000 750000 769000 819000 845000 849000...

Please read the questions Question: 1. ) Share a time when you witnessed or experienced deficit model thinking in the classroom AND/OR share an example of a time when you witnessed or experienced an...

QUESTION 11 Putting It All Together: Rocky Branch Creek In spring of 2021, a GEOL 101 student took a trip to Rocky Branch Creek in Columbia, SC, which you saw in Part 1. They made some measurements...

The widget market is competitive and includes no transaction costs. Five suppliers are willing to sell one widget at the following prices: $42, $32, $26, $20, and $12 (one seller at each price). Five...

In 2017, your client, Clear Corporation, changed from the cash to the accrual method of accounting for its radio station. The company had a positive 481 adjustment of $2.4 million as a result of the...

Given the following investment returns, calculate the geometric mean return. 4% 8% 5% 6%

Wisconsin Cheese Processor, Inc., produces equipment that processes cheese products. Ken Newgren is particularly concerned about a new cheese processor that has been producing defective cheese...

Natway, a national distribution company of home vacuum cleaners, recommends that its salespersons make only two calls per day, one in the morning and one in the afternoon. Twenty-five percent of the...

What is a random variable? What are the various types of random variables?

You find the following Treasury bond quotes. To calculate the number of years until maturity, assume that it is currently May 2019 and the bond has a par value of $1,000. Rate Maturity Mo/Yr May 24...

Do numbers: 1, 2, 3, 5, & 6 Answer the questions and explain how you got them. (if you cant answer all of them, answer what you can!) either of the dependent variables? Explain dog backpack placed on...

Linux lab project 1 Apache HTTP Server 1. INTRODUCTION During a management mecting of Al-Fahad Compuny, working policy document was adopted that containing all laws and work procedures for the...