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A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical. Which of the following statements is correct description given what we know from the empirical rule.

A. 68% of the reams will be within 50 and 70 ounces

B. 99.7% of the reams will be within 54 ounces and 56 ounces

C. 99.7% of the reams will be within 45 and 65 ounces

D. B and C

E. None of the above

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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