UCM is considering offering child care for their employees….
UCM is considering offering child care for their employees. As part of a feasibility study, they wish to estimate the mean weekly child-care cost of their employees. A sample of 6 employees who use child care reveals the following amounts spent per week:110,111, 112, 120, 119, and 130.a). Construct a 99% confidence interval for the weekly mean amount of child care.b) Interpret the confidence interval.c). Do we need to make any additional assumptions to make sure the confidence interval from a) is valid?d) Think about the interpretation of the confidence interval. What does it mean to be “99% confident”?