Emma and jackson are their band raise funds for a trip to new york city. they’ve volunteered to call every business owner in their small town to request donations. emma can complete the calls in 6 days if she works alone. jackson can complete the calls in 4 days if he works alone. to complete the task, emma and jackson are going to work together for the same amount of time. use this information to complete the table.

The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u.s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.