Question 8.82

8.82 Perform the significance test for the Fox News app

Refer to the previous exercise.

  1. What is the test statistic?
  2. What is the distribution of the test statistic if the null hypothesis is true?
  3. Find the -value.
  4. Use a sketch of the Normal distribution to explain the interpretation or the -value that you calculated in part (c).
  5. Write a brief summary of the results of your significance test. Include enough detail so that someone reading your summary could reproduce all your results.