B Announcements - MAT-240-H39: x B Grades - MAT-240-H3936 Applie X zy Section 7.2 - MAT 240: Applied St x * Course Hero X + X -) C learn.zybooks.com/zybook/MAT-240-H3936-OL-TRAD-UG.22EW3/chapter/7/section/2 Q Update : Apps Time Card Pay Reading list =zyBooks My library > MAT 240: Applied Statistics home > 7.2: Confidence intervals for population proportions zyBooks catalog ? Help/FAQ @ Lauren Kicklighter Critical values for quick reference during this activity. Confidence level | Critical value 0.90 z* = 1.645 0.95 2* = 1.960 0.99 z* = 2.576 377208.2010366.qx3zqy7 Start The manager of a bookstore with a coffee shop wants to know the proportion of customers that come into the store because of the coffee shop. A random sample of 75 customers was polled. Use Sheet 1 of the Excel file linked above to calculate p and the 95% confidence interval. p = Ex: 1.234 Upper bound for 95% confidence interval = Ex: 1.234 Lower bound for 95% confidence interval = The manager can say with 95% confidence that the true population proportion of the customers that come into the store because of the coffee shop is in the interval | Ex: 1.234 , 1 2 3 Type here to search W ? 5:47 PM O X 77'F Sunny ~ 9 ( " /() 2/22/2022