Suppose that a student has to take a quiz, which consists of 8...

T

Tina

Member
...multiple-choice questions.? Each multiple-choice question had one correct and four incorrect answers. Further suppose that the student did not study at all, i.e.,his answer for each of the questions is a pure guess.

Part (a)
Determine the mean of correct answers.

Part(b)
Determine the standard deviation.
 
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