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G 0 webassign.net C * H PB C Start Page W 8.2 Hmwk - Estimating mu When sigma Is Unknown - MTH 265.. Watch it Player | Cengage Learning [-/1 Points] DETAILS BBBASICSTAT8 8.2.016.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. 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. 93 175 132 100 75 94 116 100 85 LA USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to four decimal places.) X = thousand dollars S = thousand dollars (b) Find a 90% confidence interval for the population average startup costs , for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars Need Help? Read It Watch It Submit