Step 1 :The null hypothesis (H0) states that the mean salary is less than or equal to 99, while the alternative hypothesis (H1) states that the mean salary is greater than 99.
Step 2 :This implies that we are only interested in the area to the right of the mean (99), which means we are conducting a right-tailed test.
Step 3 :Final Answer: The test is \( \boxed{\text{right tailed}} \).