w It is known that Alpha electronics sells 18.1 laptops during a weekday (Monday-Friday). 4 Does this store sell more laptops on Saturday, than on an average weekday? 5 To test this, you have selected a sample of (49 ) Saturdays. 6 Using this sample, you have calculated the average number of laptops sold on Saturdays. 7 This sample showed the mean of 19.4 laptops and the sampe standard deviation was 4.7 laptops. 8 Is there sufficient evidence that on Saturday the store sells more latops than on an average weekday? The probability of Type I Error is set to (second digit of your student number )0%. 10 11 Post the solution below row 13 (use dropdowns where you see "Choose" and create your computations in cells B18 and B20 - keep all your Excel formulas there): 12 13 14 H O: M = 18.1 (1 mark) 15 Ha: H > 18.1 16 17 18 Test statistic: 7.56 19 (1 mark) 20 p-value: 5.1216E-10