A study of elephants is conducted to determine the average weight of a certain subspecies of elephants. The standard deviation for the population is 500 pounds. At a
90% level, how many elephants need to be weighed so the average weight will be
Accurate to within 250 pounds?
A) 16
B) 11
C) 13
D) 36

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The Answer of A study of elephants is conducted to determine the average weight of a certain subspecies of elephants. The standard deviation for the population is 500 pounds. At a
90% level, how many elephants need to be weighed so the average weight will be
Accurate to within 250 pounds?
A) 16
B) 11
C) 13
D) 36

A Study of Elephants Is Conducted to Determine the Average