1. (12 points) A random sample of n = 14 castings is taken from a daily production run. Assume that the distribution of
Posted: Mon Nov 15, 2021 12:21 pm
1. (12 points) A random sample of n = 14 castings is taken from a daily production run. Assume that the distribution of the number of flaws per casting is N(u, 02). If the standard deviation of the number of flaws per casting for the sample is 5.87. Find a 99% confidence interval for o? (show necessary details)