So 220 is the last number in this DPS chain. The DPS chain can be written as 381357 252 232 220. It has 5 numbers so we say the chain has length 5. a Find a DPS chain of length 5 that starts with a 2-digit number. b Find a DPS chain of length 3 that ends at 40. c Explain why a DPS chain that starts with a 2-digit number contains only 2-digit numbers. d Find a DPS chain of length 3 that ends at 307.
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- Case. 15.1. Ski Jacket Production. Egress, Inc., is a small company that designs, produces, and sells ski jackets and other coats. The creative design team has labored for weeks over its new design for the coming winter season. It is now time to decide how many ski jackets to produce in this production run. Because of the lead times involved, no other production runs will be possible during the season. Predicting ski jacket sales months in advance of the selling season can be quite tricky. Egress has been in operation for only three years, and its ski jacket designs were quite successful in two of those years. Based on realized sales from the last three years, current economic conditions, and professional judgment, 12 Egress employees have independently estimated demand for their new design for the upcoming season. Their estimates are listed in Table 15.2 To assist in the decision on the number of units for the production run, management has gathered the data in Table 15.3. Note that S…CAsE prOBLEM 4: hEAVENLy ChOCOLATEs WEBsiTE TrANsACTiONs Heavenly Chocolates manufactures and sells quality chocolate products at its plant and retail store located in Saratoga Springs, New York. Two years ago the company developed a website and began selling its products over the Internet. Website sales have exceeded the company’s expectations, and management is now considering strategies to increase sales even further. To learn more about the website customers, a sample of 50 Heavenly Chocolate transactions was selected from the previous month’s sales. Data showing the day of the week each transaction was made, the type of browser the customer used, the time spent on the website, the number of website pages viewed, and the amount spent by each of the 50 customers are contained in the file HeavenlyChocolates. A portion of the data are shown in Table 3.12. Heavenly Chocolates would like to use the sample data to determine if online shoppers who spend more time and view more pages also…I am stuck on this question Problem 5. In a particular population of men and women, 92% of women are right-handed, and 88% of men are right-handed. Indicate whether each of the statements below is (i) true, (ii) false, or (iii) can’t be decided from the information given.a) The overall proportion of right-handers in the population is exactly 90%.b) The overall proportion of right-handers is between .88 and .92.c) If the sex ratio in the population is 1 to 1, then the proportion of right-handers is 90%d) If the proportion of right-handers is 90%, then the sex ratio must be 1 to 1.e) If there are at least three times as many women as men in the population, then the overall population of right handers is at least 91%.
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