Mathematics, 06.06.2020 19:57 miarobless12389
The weights of cars passing over a bridge have a mean of 3,550 pounds and a standard deviation of of 870 pounds. Assume that the weights are normally distributed. Use the empirical rule to estimate the percentage of cars going over the bridge whose weight are more than 4,420 pounds.
a. 68%
b. 2.5%
c. 32%
d. 16%
Answers: 2
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