Mathematics

Mathematics, 23.06.2019 09:00, brittanysanders

Which of the following choices are correct multiple choice

Which of the following choices are correct multiple choice

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Mathematics, 14.07.2019 09:00, nati5720

Find the probability of answering the two multiple choice questions correctly if random guesses are made. assume the questions each have five choices for the answer. only one of the choices is correct. a. 0.004 b. 0.4 c. 0.02 d. 0.04

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Mathematics, 02.10.2019 00:30, scholarlystudenttt28

Van guessed on all 8 questions of a multiple-choice quiz. each question has 4 answer choices. what is the probability that he got exactly 1 question correct? round the answer to the nearest thousandth. 0.033 0.267 0.733 0.801

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Mathematics, 23.10.2019 19:50, jet0120996

Are answer keys to multiple-choice tests generated randomly, or are they constructed to make it less likely for the same answer to occur twice in a row? this question was addressed in an article. they studied 1280 questions on 10 real scholastic assessment tests (sats). assume that all the questions had five choices (in fact 150 of them had only four choices). they found that for 192 of the questions, the correct choice (a, b, c, d, or e) was the same as the correct choice for the question immediately preceding. if the choices were generated at random, then the probability that a question would have the same correct choice as the one immediately preceding would be 0.21. can you conclude that the choices for the sat are not generated at random? a) state the appropriate null and alternate hypothesis. b) compute the value of the test statistic. c) find the p-value and state your conclusion.

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Mathematics, 01.11.2019 02:31, nevaehbell30

Each question on a multiple-choice exam has four choices. one of the choices is correct, worth four points. another choice is wrong but carries partial credit of one point. the other two choices are wrong and worth negative one point. if a student picks answers at random, what is the expected value of his or her score for a problem? a 0.75 b 0.25 c 1.25 d 1.50

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