Question

Ten years ago the average age at a company was 36. A manager believes that employees are younger now. He is going to perform a hypothesis test. Which hypothesis below represents the correct alternative hypothesis?
1. Ha.u=36
2. Ha.uis not equal to 36
3. Ha.u>36
4. Ha.u<36

Answer 1

Answer:

(4)$H_a: \mu <36$

Step-by-step explanation:

The alternate hypothesis is that which establishes the claim in the research.

• Ten years ago the average age at a company was 36.
• A manager believes that employees are younger now.

The claim of the hypothesis test is that the average age of employees is less than 36 now.

Therefore, the alternate hypothesis is:

$H_a: \mu <36$