Answer: Reconsider the paint-drying situation of Example
Chapter 8, Problem 8.18(choose chapter or problem)
Reconsider the paint-drying situation of Example 8.2, in which drying time for a test specimen is normally distributed with 9. The hypotheses H0: 75 versus Ha: 75 are to be tested using a random sample of n 25 observations. a. How many standard deviations (of X) below the null value is x 72.3? b. If x 72.3, what is the conclusion using .01? c. What is for the test procedure that rejects H0 when z 2.88? d. For the test procedure of part (c), what is (70)? e. If the test procedure of part (c) is used, what n is necessary to ensure that (70) .01? f. If a level .01 test is used with n 100, what is the probability of a type I error when 76? 19. T
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer