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Mathematics, 17.07.2019 04:10 coco9972

A true/false test has 80 questions. a passing grade is 63% or more correct answers. a. what is the probability that a person will guess correctly on one true/false question? b. what is the probability that a person will guess incorrectly on one question? c. find the approximate probability that a person who is just guessing will pass the test. d. if a similar test were given with multiple-choice questions with four choices for each question, would the approximate probability of passing the test by guessing be higher or lower than the approximate probability of passing the true/false test? why?

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