For Exercises 31–36, confidence interval is given. Use the confidence interval to test, using level of significance , whether differs from each of the indicated hypothesized values.

Question 9.227

31. A 95% confidence interval for is (1, 4).

Hypothesized values are

  1. 0
  2. 2
  3. 5

9.4.31

Value of
 Form of hypothesis test,
with 		Where lies
in relation to 95%
confidence
interval (1, 4)		 Conclusion of
hypothesis test
(a) 0 Outside Reject
(b) 2 Inside Do not reject
(c) 5 Outside Reject