estion Completion Status: Moving to another question will save this response.

econ s. stion Completion Status: Moving to another question will save this response. estion 7 Ilham ts a water at Seventh Heaven Hamburgers- He wants to estimate the mean amount each group at a table leaves for a tip. A random sample of 36 tables has mean S3 88 Answer the follownq questions to create a 90% confidence interval for V, the mean amount of all group tips AU Find the appropnate z-score or t-score (critical value). Round to 3 decimal places. B. Compute the margin of error. Do not use the dollar symbol (S). Round to ? decimal places: < Question 9 points Assume o ts known to b C. Give the 90% confidence interval. Do not use dollar symbols (S). Use parentheses like we did in class. Write the smaller number first, the larger number second, separated by a comma Round each number to decimal places Moving to another question will save this response. < Question 7 of 15