A study by a corporation revealed that the mean weekly salary for managers in department A was $1,200 with a standard deviation of $100 (sample size = 64) while the mean weekly salary for managers in...

A study by a corporation revealed that the mean weekly salary for managers in department A was $1,200 with a standard deviation of $100 (sample size = 64) while the mean weekly salary for managers in department B was $1350 and a standard deviation of $150 ( sample size = 81 ). The research department would like to prove that there is a difference between the mean weekly salaries between the two departments. What is the p-value for this hypothesis test?