For Exercises 41–46, a confidence interval is given (see Section 8.1). Use the confidence interval to test, using level of significance , whether differs from each of the indicated hypothesized values.

Question 9.148

42. A 99% confidence interval for is (45, 55). Hypothesized values are

  1. 0
  2. 44
  3. 50
  4. 54
  5. 56