Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file named Houston. Based upon past studies the population standard deviation is known with= $10.
Click on the datafile logo to reference the data.
Round your answers to two decimal places. If needed, use the critical value with three decimal places.
a.At 99% confidence, what is the margin of error?
$
b.Develop a 99% confidence interval estimate of the mean amount spent for lunch.
$
to $
M Your answe Course Her X * 20584233 ( x Course Her X [ Chicago Ste x Course: Sur X MindTap - C X Houston.xl x C Search Text X + X cnow.apps.ng.cengage.com/ilrn/books/ases08h/images/webfiles/ch08/Houston.xIs G X Houston.xIs Download Share File Edit Insert Format Help Times New ... 12 - BIUSA. S fx Amount A B C D E F G H I J K L M N O P Q R S T U V Amount W N P 20.50 14.63 23.77 29.96 29.49 32.70 Co 9.20 9 20.89 10 28.87 11 15.78 12 18.16 13 12.16 14 11.22 15 16.43 16 17.66 17 9.59 18 18.89 19 19.88 20 23.11 21 20.11 22 20.34 Data Sheet2 Sheet3 9 9 MOO 6 9 0 11:24M Your answe Course Her X * 20584233 ( x Course Her X [ Chicago Ste x Course: Sur X MindTap - C X Houston.xl x C Search Text X + X cnow.apps.ng.cengage.com/ilrn/books/ases08h/images/webfiles/ch08/Houston.xIs G X Houston.xIs Download Share File Edit Insert Format Help Times New ... 12 - BIUSA. fx Amount B C D E F G H I J K L M N O P Q R S T U V 21 20.11 22 20.34 23 20.08 24 30.36 25 21.79 26 21.18 27 19.22 28 34.13 20 27.49 30 36.55 31 18.37 32 32.27 33 12.63 34 25.53 35 27.71 36 33.81 37 21.79 38 19.16 39 26.35 20.01 26.85 42 13.63 1727 Data Sheet2 Sheet3 9 9 MOO 6 7 0 11:24X + X M Your answer X G C ... O Recent My files > Downloads OPEN U Q AZ X Houston Download Share File Edit Audio Name Size : Type : Date modified Images Screenshot 2021-06-26 11.24.52 PM.png 99 KB PNG image Today 11:24 PM fx Amount Videos 96 KB PNG image Today 11:24 PM S T U V Screenshot 2021-06-26 11.24.32 PM.png 46 22.11 47 22.47 My files Screenshot 2021-06-26 9.57.48 PM.png 92 KB PNG image Today 9:57 PM 48 20.36 49 35.47 Downloads Screenshot 2021-06-26 9.57.34 PM.png 98 KB PNG image Today 9:57 PM 50 11.85 51 17.88 Play files Screenshot 2021-06-26 9.57.12 PM.png 98 KB PNG image Today 9:57 PM 52 6.83 53 30.99 X Setters (1).xlsx KB Excel spread.. Today 9:56 PM 54 14.62 Google Drive 55 18.38 x Setters.xIsx KB Excel spread. Today 9:52 PM 56 26.85 57 25.10 Screenshot 2021-06-26 8.44.37 PM.png 134 KB PNG image Today 8:44 PM 27.55 Screenshot 2021-06-26 9.24.56 AM.png 278 KB PNG image Today 9:24 AM 25.87 14.37 Screenshot 2021-06-26 9.19.38 AM.png 280 KB PNG image Today 9:19 AM 61 15.61 62 26.46 24.24 Screenshot 2021-06-26 1.11.00 AM.png 275 KB PNG image Today 1:11 AM 63 64 16.66 Screenshot 2021-06-25 10.03.31 PM.png 164 KB PNG image Yesterday 10:03 PM 65 20.85 66 67 68 Data Sheet2 Sheet3 9 6 7 0 11:25
