During 1 week an overnight delivery company found that the

Last updated: 8/14/2022

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.) %