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A quiz consists of 15 multiple choice questions. Each question has 5 choices, with exactly one correct choice. A student, totally unprepared for the quiz,
- A quiz consists of 15 multiple choice questions. Each question has 5 choices, with exactly one correct choice. A student, totally unprepared for the quiz, guesses on each
of the 15 questions.
- How many questions should the student expect to answer correctly?
- What is the standard deviation of the number of questions answered correctly?
- If at least 9 questions must be answered correctly to pass the quiz, what is the
chance the student passes?
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Contemporary Business Mathematics With Canadian Applications
Authors: Ali R. Hassanlou, S. A. Hummelbrunner, Kelly Halliday
12th Edition
0135285011, 978-0135285015
