6. [-/0.3 Points] DETAILS BBUNDERSTAT12 7.2.015.S. MY NOTES ASK YOUR TEACHER PRACTI How much do wild mountain lions weigh? Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains gave the following weights (pounds): 69 105 128 129 60 64 LA USE SALT Assume that the population of x values has an approximately normal distribution, (a) Use a calculator with mean and sample standard deviation keys to find the sample mean weight y and sample standard deviation s. (Round your answers to four decimal places.) (b) Find a 75% confidence interval for the population average weight , of al adult mountain lions in the specified region. (Round your answers to one decimal place.) lower limit upper limit Need Help? Pass ! Vitch 7. [-/0.3 Points] DETAILS BBUNDERSTAT12 7.2.016.5. MY NOTES ASK YOUR TEACHER PRACTICE A 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 Ex 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 approximately normal distribution. 92 170 131 90 75 94 116 100 85 LA USE SALT () Use a calculator with mean and sample standard deviation keys to find the sample mean startup e standard deviation s. (Round your answers to four decimal places.) thousand dollars 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 1! Watch MacBook Air