Solve the problem.
-On a multiple choice test with 9 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the variance for the number of correct answers.
A) 1.3
B) 16.9
C) 2.8
D) 1.7

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The Answer of Solve the problem.
-On a multiple choice test with 9 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the variance for the number of correct answers.
A) 1.3
B) 16.9
C) 2.8
D) 1.7

Solve the Problem. -On a Multiple Choice Test with 9 Questions, Each Question