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During 1 week an overnight delivery company found that the weights of its parcels were...

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Algebra

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During 1 week an overnight delivery company found that the weights of its parcels were normally distributed, with a mean of 20 ounces and a standard deviation of 5 ounces. (a) What percent of the parcels weighed between 10 ounces and 25 ounces? (Round your answer to one decimal place.) % (b) What percent of the parcels weighed more than 35 ounces? (Round your answer to two decimal places.) %

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