Consider that the 48 observations in Exercise 10.14 were a random sample from a population. Determine the estimate for 80% frequency of occurrence range. Determine the expected proportion below a...

Consider that the 48 observations in Exercise 10.14 were a random sample from a population. Determine the estimate for 80% frequency of occurrence range. Determine the expected proportion below a lower specification limit of 95 and an upper specification limit of 130.