Answer to Question #340392 in Statistics and Probability for cham

Question

Express the null hypothesis and alternative hypothesis in notation form of the scenario “It is

believed that the mean yearly salary of professors in the Philippines is Php480,000.00. A

random sample of 65 professors revealed a mean salary of Php500,000.00 Can it be

concluded that the mean salary is greater than Php480,000.00?

Answer 1

The following null and alternative hypotheses need to be tested:

$H_0:\mu\le480000.00$

$H_a:\mu>480000.00$