Question

each question on a multiple-choice exam has five choices. One are the choices is the correct...

each question on a multiple-choice exam has five choices. One are the choices is the correct answer, worth 6 points, another choice is wrong but still carries practical credit of 2 points, And the other 3 choices are worth 0 points.
If the exam has 80 questions, what is who's or her expected score?
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose in a multiple choice type test, each question has five choices. To discourage students from...
Suppose in a multiple choice type test, each question has five choices. To discourage students from guessing the correct answer, the following scoring method is used: 7 points for correct answer, 0 point for wrong answer, and 2 points for leaving the question unanswered.   What is the minimum number of choices in each question a student should be able to eliminate, so that it becomes advantageous to guess from the remaining choices? choice: 1 2 3 4
Suppose you are taking an exam that only includes 80 multiple choice questions. Each question has...
Suppose you are taking an exam that only includes 80 multiple choice questions. Each question has five possible choices and only one of them is correct answer per question. Questions are not related to the material you know, so you guess the answer randomly in the order of questions written and independently. The probability that less than five questions are needed to mark the three correct answers is
on a multiple choice exam there are 4 questions and 4 choices for each question. What...
on a multiple choice exam there are 4 questions and 4 choices for each question. What is the probability she gets all 4 questions correct? she gets 3 questions correct? she gets at least 3 questions correct? she gets at least 1 question correct?
In a multiple choice exam, there are 6 questions and 4 choices for each question (a,...
In a multiple choice exam, there are 6 questions and 4 choices for each question (a, b, c, d). Nancy has not studied for the exam at all and decides to randomly guess the answers. What is the probability that: (a) the first question she gets right is the 4th question? (b) she gets all of the questions right? (c) she gets at least two question right?
In a multiple choice exam there are 4 questions and for choices for each question ABC...
In a multiple choice exam there are 4 questions and for choices for each question ABC and D Nancy has not study for the exam at all and decides to randomly guess the answers what is the probability that A.) the 1st question she gets right is question number 4 B.) she gets all of the questions right and C.) she gets at least one question right
Brandon has 30 minutes to complete an exam. There are 9 multiple choice questions worth 3...
Brandon has 30 minutes to complete an exam. There are 9 multiple choice questions worth 3 points each. There are also 3 short answer questions worth 5 points each. It takes about 2 minutes for Brandon to answer the multiple choice questions and about 6 minutes to complete the short answer questions. a. How many multiple choice questions and short answer questions should Brandon answer to maximize his score? b. What is the maximum score?
A multiple-choice test has four questions, each with five choices for the answer. Only one of...
A multiple-choice test has four questions, each with five choices for the answer. Only one of the choices is correct. You randomly guess the answer to each question. What is the probability that you answered at least one questions correctly? A. 0.5904 B.0.1808 C.0.216 D. 0.8192
A student takes an exam containing 19 multiple choice questions. Each question has 5 choices. If...
A student takes an exam containing 19 multiple choice questions. Each question has 5 choices. If the student guesses, what is the probability that he will get less than 7 but more than 5 questions right? Round your answer to four decimal places
. A quiz has 25 multiple choice questions. Each question has 3 possible answers, one of...
. A quiz has 25 multiple choice questions. Each question has 3 possible answers, one of which is correct. A correct answer is worth 4 points (a ticket with the value of 4), but a point is taken off for each incorrect answer (a ticket with the value of -1). A student answers all 25 questions by guessing at random. a) Present the problem with an appropriate box model. Find the expected value and the standard error for the sum...
A test has 5 multiple choice questions with 4 choices with one correct answer each. if...
A test has 5 multiple choice questions with 4 choices with one correct answer each. if we randomly guess on each of the 5 questions, whatvis the probability that you get at least 1 question correct?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT