ashbond6714 ashbond6714

06-02-2024
Mathematics

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Head circumferences of some men have a bell-shaped distribution with a mean of 54 centimeters and a standard deviation of 3 centimeters. What is the variance of head circumferences of adult men?

a. 6 square centimeters
b. 9 square centimeters
c. 12 square centimeters
d. 18 square centimeters

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