randomly selected n 259 adults who used a desktop or laptop outside of the workplace tablets and smartphones were excluded The

Question

randomly selected n 259 adults who used a desktop or laptop outside of the workplace tablets and smartphones were excluded The subjects were asked to identify the operating system of the desktop or laptop they used the most The operating systems were classified as Windows Mac OS and Linux There were no other operating systems reported in the survey The subjects were administered a test for creative imagery ability TCIA and based on the results were classified as being exceptionally artistic or not Exceptionally artistic was defined as being above the third quartile the top 25 percent of all people who took the TCIA The table contains the results of the study Exceptional Not exceptional Total Windows 46 182 228 Mac OS 4 14 18 Linux 3 10 13 Total 53 206 259 If you wish you may download the data in your preferred format Crunchlt CSV Excel JMP Mac Text Minitab14 18 Minitab18 PC Text R SPSS TI Calc The research company plans to conduct a chi square test for independence to determe if artistic ability and operating system preference are dependent Their null hypothesis is that they are independent Assuming that artistic ability and operating system preference are independent compute the expected number E of subjects who would prefer the Windows operating system and are rated as exceptional in terms of artistic ability Give your answer precise to two decimal places

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