Several economics students are unprepared for a multiple-choice quiz with 25 questions, and all of t
Question: Several economics students are unprepared for a multiple-choice quiz with 25 questions, and all of there answers are guesses. Each question has five possible answers, and only one of them is correct.
a. Find the mean and standard deviation for the number of correct answers for such students.
b. Would it be unusual for a student to pass by guessing and getting at least 15 correct answers? Why or why not?
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Solution: The solution consists of 2 pages
Solution Format: Word Document![](/images/msword.png)
Solution Format: Word Document
![](/images/msword.png)