Question

lle Edit View History Bookmarks People Tab Window Halo • + Homework * De Homework christix EON S I Carex Out 2020 Spring Sux . mathal.com/Student/PlayerHomework.aspx?homeworkid=562139064&questionid=1&flushed true&cid=58. c O MATH 2283 STATISTICS FOR BUSINESS SPRING 2020 christiana vaughan & 04/06/20 11:00 PM Save Homework: HW13 Chapter 8 Score: 0 of 1 pt 4 of 13 (5 complete 8.2.15-T HW Score: 25.64%, 3.33 of 13 pts Question Help Golf cart attendants at a local country club often receive tips from goes they assist with golf clubs. To help recruit new employees, the country club would like to determine the average tips per day an endanteams. A sample of 20 sendants averaged SM03 per day in tips. Assume the population standard deviation for dalypsis $8.81. Complete parts a and below. Construct a confidence intervallomate the average days for an amendant The average daily tips for an attendant is between a lower limit of s (Round to the nearest cont as needed) and an upper limit of Enter your answer in the edit and then click Check Answer raining Clear All Check Answer Leadership S.docx Reading kog pages Show All SP E133010190698 908 RETE

Answer 1

X : daily tips of an attendant Given that x = per day n = 20 SE $ 8.81 $36.03 T = 0.02 e daily for interval tips for average 98% confidence interval - an attendant is (x - tn.,a s , x + tn-i, a 3 h (36.03 - 520-1,0:02 (8-2)), 36.03 +420-4,002 (823) ( 36.03 -tig, 0.01 (8.81) , 36.03 ttig, o.or (8 14.1421 14.1421 ( 36-03 -2.54) (0.6230) , 36.03 +(2:54)(0:6230)) (36.03 - 1.5821 36.03 + 1.5821) ( 34.45, 37.61). . The average daily tips for an attendant is between lower limit &/34.45 and an upper limit of $ 37-6)