The fire department in a large city is examining its promotion policy to assess if there is the potential for an age discrimination lawsuit. A random sample of 248 promotion decisions over the past 5 years yields the following information.

	Age at Promotion Decision
Promotion Decision	Under 30	30 - 39	40 - 49	50 or Older
Promoted	9	29	34	12
Not Promoted	41	39	46	38

1. What is the population of interest?

2. Is the promotion decision for the fireman related to the age of the fireman. Perform a hypothesis test. Use = 0.05.Show all calculations for expected values and the test statistics when performing this Chi-Square test for Association. Use the Rejection Region Method.