A test has 12 multiple-choice questions with four answer choices for each question. Assume a student guesses on all questions.}
-In the situation above, find the variance.

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The Answer of A test has 12 multiple-choice questions with four answer choices for each question. Assume a student guesses on all questions.}
-In the situation above, find the variance.

A Test Has 12 Multiple-Choice Questions with Four Answer Choices