Multiple Choice
In a marketing class of 60 students, the mean and the standard deviation of scores was 70 and 5, respectively. Use Chebyshev's theorem to determine the number of students who scored less than 60 or more than 80.
A) At least 45
B) At most 15
C) At most 45
D) At least 15
Correct Answer:
Verified
Correct Answer:
Verified
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