Question: The frequency distribution of order lead time at Ecommerce.com from Exercise 18 is repeated below. Lead Time (days) Frequency O up to 5 5

The frequency distribution of order lead time at Ecommerce.com from Exercise 18

The frequency distribution of order lead time at Ecommerce.com from Exercise 18 is repeated below. Lead Time (days) Frequency O up to 5 5 up to 10 7. 10 up to 15 12 15 up to 20 8 20 up to 25 7 Total 40 a. How many orders were filled in less than 10 days? In less than 15 days? b. Convert the frequency distribution to a cumulative frequency distribution. c. Develop a cumulative frequency polygon. d. About 60 percent of the orders were filled in less than how many days?

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