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. 92 177 129 96 75 94 116 100 85 (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 one decimal place.) 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