The weights of a bat in a zoo are normally distributed with a mean of 2.2 pounds and a standard deviation of 0.3 pounds. About what percent of the bats at the zoo weigh 1.9 pounds and 2.5 pounds?
A. 47.5%
B. 68%
C. 34%
D. 81.5%
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Home » Mathematics » The weights of a bat in a zoo are normally distributed with a mean of 2.2 pounds and a standard deviation of 0.3 pounds. About what percent of the bats at the zoo weigh 1.9 pounds and 2.5 pounds? A. 47.5% B. 68% C. 34% D. 81.5%