Multiple Choice
Solve the problem.
-On a multiple choice test with 20 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the number of correct answers.
A) 37.5
B) 3.8
C) 1.9
D) 14.1
Correct Answer:
Verified
Correct Answer:
Verified
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