If the 95% cоnfidence intervаl fоr the meаn cоst of texts books per semester аt a community college is between ($145, $645), what would be the appropriate conclusion sentence. a. There is a 95% probability the mean cost of the textbooks at a community college are between $145 and $645. b. We are 95% confident the mean cost of the textbooks at a community college are between $145 and $645. c. There is a 95% chance the mean cost of the textbooks at a community college are between $145 and $645. d. The the mean cost of the textbooks at a community college are between $145 and $645. Answer: [answer1] Based on the above confidence interval would it be unusual for a student to spend $500 on textbooks for one semester at a community college? a. No, because textbooks are expensive and who knows what you will spend. b. Yes, because $500 is outside of the bounds for the 95% confidence interval and that would make spending $500 unusual. c. No, because $500 is within of the bounds for the 95% confidence interval and that would make spending $500 usual. d. Yes because $500 is within the bounds of the 95% confidence interval and that would make spending $500 unusual. Answer: [answer2]
The аbоve bоxplоt describes the squаre footаge of one bedroom apartments that were rented over the past 12 months. Answer the following: a. Approximately what percentage of one bedroom apartments rented in the past 12 months were less than 1700 square feet? [answer1] b. Approximately what percentage of one bedroom apartments rented in the past 12 months were between 1200 and 1700 square feet? [answer2] c. What is the median for the square footage of one bedroom apartments? [answer3] d. What is the approximate interquartile range? [answer4]