Mathematics, 30.07.2020 01:01 amw4
On a multiple choice test with 13 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.
Select one:
A. 1.875.
B. 1.53.
C. 1.47.
D. 1.5.
E. 1.561.
Answers: 1
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On a multiple choice test with 13 questions, each question has four possible answers, one of which i...
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