With some interest in running your own business and a decent credit rating, you can probably get a on startup costs for a candy store franchise. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution.
95 173 129 95 75 94 116 100 85
Find a 90% confidence interval for the population average startup costs mean for candy store franchises. x bar= 106.9 and s= 29.4

Question

With some interest in running your own business and a decent credit rating, you can probably get a on startup costs for a candy store franchise. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution.
95 173 129 95 75 94 116 100 85
Find a 90% confidence interval for the population average startup costs mean for candy store franchises. x bar= 106.9 and s= 29.4