Questions

1.

Y = 8 -2x + e where e is the error of Y that comes from a normal distribution with mean O and standard deviation 2. Find the probability that Y is less than when a = 3. Round your answer to 3 decimal places.We know that final exam grade has a relationship with midterm exam grade, suppose you are asked to calculate a condence interval for nal exam grade for all students with midterm exam score of 200. What parameter is to be estimated? 0131 OY O My|21=200 s is an unbiased estimate for o. O True O FalseWhen interpreting a control chart we should only investigate a process that has observations outside the control limits. 0 True 0 False