Chapter 13

, Question 19. Section Hw Score: 0%, o of 22 Homework' Chapter 13.3 Exercise 6 points thirteen Homework Part 1 of 4 0 Points: 0 of 1 At a major credit card bank, the percentages of people who historically apply for the Silver, Question "St I6 Gold and Platinum cards are 60%, 30% and 10% respectively. In a recent sample of customers responding to a promotion, of 200 customers, 115 applied for Silver, 50 for Gold and 35 for Platinum. Complete parts a through c below. 0 Question 13 E) a) Compute the standardized residual for each type of card. 0 Question 14 Standardized Residual Silver card '1 0 Question 15 Gold card D Platinum card D 0 Question 16 (Round to three decimal places as needed.) Question 20, Sectlgn 13.4 Exercise 7- Hw Score: 0%, 0 of 22 points (0) 0 Points: 0 of 1 Homework: Chapter thirteen Homework Part1 of 7 _ _ An analyst at a local bank wonders if the age distribution of customers coming for service at his branch in town is the same as at the branch located near the Questlon \"St '6 mail. He selects 100 transactions at random from each branch and researches the age information for the associated customer. Use the accompanying table below to complete parts a through 9 below. 0 Question 15 E Click the icon to view the data table of customer age distribution and branch location. 0 Question 16 a) What are the null and alternative hypotheses? O QueStion 17 O A. Ho: The age distributions of customers at the two branches are the same. HA: The age distributions of customers at the two branches are not the same. 0 Question 18 O B. H0: Age is not independent of branch. HA: Age is independent of branch. C) C. Ho: The age distributions of customers at the two branches are not the same. 0 QueStlon 19 H A: The age distributions of customers at the two branches are the same. 0 D. Ho: Age is independent of branch. 0 Question 20 HA: Age Is not Independent of branch. Data table 0 Question 21 Table of customer age distribution and branch location Less than 30 3055 56 or older 0 Question 22 Help me solve this View an example Get more help . Homework: Chapter Question 21, Section HW Score: 0%, 0 of 22 thirteen Homework 13.5 Exercise 9-T points Part 1 of 4 O Points: 0 of 1 Save Marketers want to know about the differences between men's and women's use of the Internet. A Question list K research poll in April 2009 from a random sample of adults found that 2354 of 3006 men use the Internet, at least occasionally, while 2352 of 3182 women did. O Question 15 a) Find the proportions of men and women who said they use the Internet at least occasionally. b) What is the difference in proportions? c) What is the standard error of the difference? d) Find a 95% confidence interval for the difference between percentages of usage by men and Question 16 women nationwide. Question 17 a) Let p, be the sample proportion of men who use the Internet at least occasionally and let p2 be the sample proportion of women. Question 18 P1 = %, P2 = % (Round to two decimal places as needed.) Question 19BUS 320 Business Statistics Sec_01 Monique Harris 04/21/23 11:34 AM ? Question 22, Section HW Score: 0%, 0 of 22 E Homework: Chapter thirteen Homework