Peter took an MCQ based test. He had not prepared for the test and ended up guessing the answerfor each of the MCQ. The test had a total of 10 MCQS. Each MCQ had 5 possible answers forselection. After the test, she is interested in calculating the probability of getting exactly 6 questionscorrect on this test?

Answered: Image /qna-images/answer/f37a6dce-f056-46dd-97de-0e6499d715da.jpg

Answered: Peter took an MCQ based test. He had…

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...

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In a multiple-choice test, there are three possible answers to each question. There are 10 questions in the exam. One point is given for the correct answer but nothing is deducted for the wrong answer. To pass the exam you must get at least 5 points. Sigmundur is very bad at the study material and therefore decides what the correct answer is in each question. What are the chances that Sigmundur will pass the exam? 1. about 2%. 2. about 7%. 3. about 14%. 4. about 21%.
A multiple-choice test consists of 5 questions, each question with 4 possible responses(A, B, C, D). A student guesses on each question. Find the probability that the student will guess correctly on at least 1 question.
A bag of marbles contains 4 red, 3 blue, 2 green and 1 yellow marble. Half of the red and green marbles are glass, and all of the other marbles are polished stone. What is the probability of selecting: Add the colors together to determine how many marbles are in the bag. This will become the right side of the answer. Determine how many marbles exactly fit the specified criteria to find the left side. Remember to reduce if necessary. A yellow stone marble: Ratio: ____ : ____ A blue or green stone marble: Ratio: _____ : _____ Two red marbles in a row without replacement: Ratio: _____ : _____ Three glass marbles in a row with replacement: Ratio: _____ : _____
You took a test with 40 multiple choice questions. Each question had 5 choices. What is the probability that you get at least 28 questions correct if you guessed in all of them.
Mr. B bought a raffle ticket for $5,000 which has a 0.992 chance of winning $50,000. Find the EV.
Find the indicated probability. A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly?
The probability of winning the "grand prize" at a fortune spinning wheel is p=0.2. If you spin the wheel 100 times how many grand prizes can you expect to win
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?
A bag of marbles contains 4 red, 3 blue, 2 green and 1 yellow marble. Half of the red and green marbles are glass, and all of the other marbles are polished stone. What is the probability of selecting: Add the colors together to determine how many marbles are in the bag. This will become the right side of the answer. Determine how many marbles exactly fit the specified criteria to find the left side. Remember to reduce if necessary. A yellow stone marble: ____ : ____ A blue or green stone marble: _____ : _____ Two red marbles in a row without replacement: _____ : _____ Three glass marbles in a row with replacement: _____ : _____
Answer the steps by steps procedure of solutions. You flip a fair coin and pick 1 card out of a hat containing 20 cards numbered 1 - 20. What is the probability of getting heads on the coin and a number greater than 15 form the hat?
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?
A bag of candy contains 12 candy bars and 16 lollipops. If a piece of candy is selected from the bag at random, determine the odds against selecting a candy bar. Simplify the answer

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