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Guessing on Exams Suppose, you are taking an exam with 10 questions and you are required...

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Question

Basic Math

Guessing on Exams Suppose, you are taking an exam with 10questions and you are required to get 7 or more right answers topass.

  1. With a 10-question true/false test, what is the probability ofgetting at least 7 answers correct by guessing?

  2. With a 10-question multiple-choice test where there are threepossible choices for each question, what is the probability ofgetting at least 7 answers correct by guessing? Only one of thechoices is correct for each question.

  3. With a 10-question multiple-choice test where there are fivepossible choices for each

question, only one of which is correct, what is the probabilityof getting at least 7

answers correct by guessing?
d. Which test (of those described in parts a, b, and c in thisexercise) would be easiest to

pass by guessing, which would be hardest, and why?

Answer & Explanation Solved by verified expert
3.9 Ratings (475 Votes)
Hello Sir mamGiven that n 10To pass we need atleast 7 correct answersNowa True False test Getting a particular answer correct    See Answer
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