A multiple choice test consists of 60 questions. each question has 4 possible answers of which...
A test consists of 25 multiple choice questions. Each question has 5 possible answers, or which only one is correct. If a student guesses on each question, find the following. a) The probability that he will guess all of them correct b)The probability that he will guess at most 15 correct. c)The probability that he will guess at least one correct. d) The mean and the standard deviation of the number of correct answers. e)Estimate the probability of the number...
A multiple choice test has 10 questions each of which has 4 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?
A quiz consists of 20 multiple-choice questions, each with 5 possible answers. For someone who makes random guesses for all of the answers, find the probability getting exactly 4 questions correct
10. A multiple-choice test has 30 questions and each one has five possible answers, of which one is correct. If all answers were guesses, find the probability ofgetting exactly four correct answers. (Points : 3).0604.1325.2552.8000
5) A student takes a multiple choice test with 12 questions, Each question has 4 possible answers only one of which is correct. .If this student guesses on all of the questions what is the probability he gets exactly three correct answers? A) 0.1974 C) 0.2323 B) 0.2825 D) 0.2581 E) 0.1105
(1 point) A multiple-choice test consists of 22 questions with possible answers of a, b, c, d. Estimate the probability that with random guessing, the number of correct answers is at least 12. The answer above is NOT correct. (1 point) A multiple-choice test consists of 22 questions with possible answers of a, b, c, d. Estimate the probability that with random guessing, the number of correct answers is at least 12. 0.0029
A multiple-choice test has 20 questions. Each question has 4 possible answers, of which only one is correct. (i) If you randomly answered each question, what is the name of the distribution for the number of possible marks you could achieve for the whole test? Explain your reasons and give the values for the parameters of that distribution.* (ii) If the pass mark for the test is 60% (i.e. 12 marks or more), what is the probability that you will...
Find the indicated probability, A multiple choice test has 8 questions each of which has 4 possible answers, only one of which is correct. Il Judy, who forgot to study for the test guesses on all questions, what is the probability that she will answer exactly 3 questions correctly?
A quick quiz consists of 5 multiple choice problems, each of which has 4 answers, only one of which is correct. If you make random guesses on all 5 problems, What is the probability that all 5 of your answers are incorrect? What is the probability that all 5 of your answers are correct? What is the probability that exactly 2 of your answers are correct?
A quiz consists of 10 multiple-choice questions, each with 5 possible answers. For someone who makes random guesses for all of the answers, find the probability they get 6 or more questions correct. Use at least 5 decimals of accuracy in your answer. Answer=