For Exercises 27–30, software output from a test for is provided. For each, examine the indicated software output, and provide the following steps:

  • Step 1 State the hypotheses and the rejection rule.
  • Step 2 Find .
  • Step 3 Find the -value.
  • Step 4 State the conclusion and the interpretation.

Use level of significance for each hypothesis test.

Question 9.293

27. TI-83/84 output

image

9.5.27

Step 1

We reject if the .

Step 2

Step 3

Step 4 The is , so we reject . There is evidence at level of significance that the population proportion is less than 0.5.