The quiz you are now taking has 10 questions, each with response choices of only A,...
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The quiz you are now taking has 10 questions, each with response choices of only A, B, C or D. If a student randomly guesses every answer on this quiz, the probability of incorrectly answering 5 or more of the quiz questions is between: ? Please show all steps and how to calculate.
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The quiz you are now taking has 10 questions, each with
response choices of only A,...
Suppose a quiz has 12 multiple choice questions. Each question has 4 answer choices. If a...
Suppose a quiz has 12 multiple choice questions. Each question has 4 answer choices. If a student takes the quiz and randomly guesses on every question.... Find the probability the student gets between 1 and 6, exclusive, questions correct? Find the probability the student gets more than 8 questions correct?
4. A student is taking a multiple-choice quiz where each question has four choices. The student...
4. A student is taking a multiple-choice quiz where each question has four choices. The student randomly guesses the answers to the five-question quiz. What is the probability that the student gets all of the questions correct? (TEKS G.13.E) 1 (В A 256 1024 - D 5 16
A multiple choice quiz has4 questions. Each question has 5 possible answers, only one of which...
A multiple choice quiz has4 questions. Each question has 5 possible answers, only one of which is correct. A student has not studied for the quiz and guesses randomly on each question. What is the probability that the student gets at least one correct answer? Show your calculation, and write your answer as either a reduced fraction or a decimal rounded to four places.
a quiz consists of 20 multiple-choice questions. each with 4 choices but only 1 answer, while...
a quiz consists of 20 multiple-choice questions. each with 4 choices but only 1 answer, while a student decided to randomly guess all the answers in the quiz. 1. find the probability for passing the quiz when the passing grade is 60% 2. find the probability to get the first correct answer within the first 3 attempts 3. find the expected number of attempts to get the first correct answer
A quiz in Microeconomics has 40 multiple answer questions and each of them has 4 possible...
A quiz in Microeconomics has 40 multiple answer questions and each of them has 4 possible answers, but only one of them is correct. For every correctly answered question a student gets 15 points and for every incorrectly answered she loses 5 points. What is the probability of passing the quiz (the minimum required is 120 points) if a student is randomly picking the answers? (hint: you may use a normal approximation)
3. [10 Points! Consider an exam with multiple choice questions. Assume that each question has three...
3. [10 Points! Consider an exam with multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. 3. What is the probability that he guesses only 15 questions correctly What is the probability that he guesses at least 15 questions correctly c. What is the probability that he guesses more than 10 and less than 15 questions correctly?...
A teacher gives an unannounced, three-question true false pop quiz, with two possible answers to each...
A teacher gives an unannounced, three-question true false pop quiz, with two possible answers to each question. Complete parts (a)-(C) below. 2. Use a tree diagram to show the possible response patterns, in terms of whether any given response is correct or wrong. Choose the correct answer below. ОА OB OC OD C w w How many outcomes are in the sample space? There are outcomes in the sample space. b. An unprepared student guesses all the answers randomly. Find...
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has...
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. a. What is the probability that he guesses only 15 questions correctly? b. What is the probability that he guesses at least 15 questions correctly? c. What is the probability that he guesses more than 10 and less than 15...
A multiple-choice examination consists of 75 questions, each having possible choices a, b, c, and d....
A multiple-choice examination consists of 75 questions, each having possible choices a, b, c, and d. Approximate the probability that a student will get more than 18 answers correct if he randomly guesses at each answer. (Note that, if he randomly guesses at each answer, then the probability that he gets any one answer correct is 0.25.) Use the normal approximation to the binomial with a correction for continuity. Round your answer to at least three decimal places. Do not...
A student takes a multiple-choice test that has 10 questions. Each question has two choices. The...
A student takes a multiple-choice test that has 10 questions. Each question has two choices. The student guesses randomly at each answer. Round the answers to three decimal places. 1. p(2) = 2. p(more than 3)=
4. A student is taking a multiple-choice quiz where each question has four choices. The student randomly guesses the answers to the five-question quiz. What is the probability that the student gets all of the questions correct? (TEKS G.13.E) 1 (В A 256 1024 - D 5 16
3. [10 Points! Consider an exam with multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. 3. What is the probability that he guesses only 15 questions correctly What is the probability that he guesses at least 15 questions correctly c. What is the probability that he guesses more than 10 and less than 15 questions correctly?...
A teacher gives an unannounced, three-question true false pop quiz, with two possible answers to each question. Complete parts (a)-(C) below. 2. Use a tree diagram to show the possible response patterns, in terms of whether any given response is correct or wrong. Choose the correct answer below. ОА OB OC OD C w w How many outcomes are in the sample space? There are outcomes in the sample space. b. An unprepared student guesses all the answers randomly. Find...
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. a. What is the probability that he guesses only 15 questions correctly? b. What is the probability that he guesses at least 15 questions correctly? c. What is the probability that he guesses more than 10 and less than 15...
A multiple-choice examination consists of 75 questions, each having possible choices a, b, c, and d. Approximate the probability that a student will get more than 18 answers correct if he randomly guesses at each answer. (Note that, if he randomly guesses at each answer, then the probability that he gets any one answer correct is 0.25.) Use the normal approximation to the binomial with a correction for continuity. Round your answer to at least three decimal places. Do not...
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