All blue areas that are minimized are not needed to answer the unsolved/unanswered areas.

05 A quality control specialist for a restaurant Chain takes a random sample Of Size 13 to check the amount Of soda served in the 16 oz, serving Size, The sample mean is 13.50 With a sample standard deviation Of 1.57. Assume the underlying population is normally distributed. We wish to construct a confidence interval for the true population mean for the amount of soda served. What is the error bound? (Round your answer to two decimal places.) Additional Materials eBook A quality control specialist for a restaurant Chain takes a random sample Of Size 15 to check the amount Of soda served in the 16 oz. serving Size. The sample mean is 13.40 with a sample standard deviation Of 1.54, Assume the underlying population is normally distributed. Find the 9S% confidence interval for the true population mean for the amount of soda served. (Round your answers to two decimal places.) Additional Materials Among various ethnic groups, the Standard deviation Of heights iS known to be approximately three inches. We wish to construct a 95% confidence interval for the mean height Of males from a certain country. Forty-seven males are surveyed from a particular country. The sample mean is 72 inches. The sample standard deviation is 2.8 inches. @ Part (a) @ Part (b) @ Part (c) @ Part (d) Construct a 95% confidence interval ror tne populaton mean negnt or males ot mis country (i) State the interval (Round your to two decimal (ii) Sketch the grnh (iii) Calculate the error tx.une, (Round your answer to two decimal places)