. Question 5 You measure 48 turtles' weights, and find they have a mean weight of 31 ounces. Assume the population standard deviation is 10.9 ounces. Based on this, construct a 95% confidence interval for the true population mean turtle weight. Give your answers as decimals, to two places ounces Question Help: D Post to forum Submit Question. Question 2 A student was asked to find a 95% confidence interval for widget width using data from a random sample of size n = 20. Which of the following is a correct interpretation of the interval 14