. Exercise 11-6 presented data on y steam usage and x monthly average temperature. (a) Find a 99% confidence interval for 1. (b) Find a 99% confidence interval for 0. (c) Find a 95% confidence interval on mean steam usage when the average temperature is .

STAT-5615: Statistics in Research I Lecture 4 Probability & Probability Distributions Ott & Longnecker Chapter 4 Dr. Christian Lucero Virginia Tech Fall 2016 Introduction to Probability De▯nition A chance operation or random trial is a process or experiment that results in an outcome that cannot be predicted in advance with certainty....