For Exercises 23–26, a confidence interval for is given. Use the confidence interval to test, using level of significance , whether differs from each of the indicated hypothesized values.

Question 9.291

25. A 90% confidence interval for is (0.1, 0.2). Hypothesized values are

  1. 0.09
  2. 0.9
  3. 0.19

9.5.25

Value of Form of hypothesis test, with Where lies in relation to 90% confidence interval (0.1, 0.2) Conclusion of hypothesis test
(a) 0.09 Inside Reject
(b) 0.9 Outside Reject
(c) 0.19 Inside Do not reject