=+42. Investment firm. Are profits related to the number of employees? An investment firm wants to manage the pension fund of a major New York retailer. To prepare their presentation to the retailer, the investment firm analysts used simple linear regression to model the relationship between the profits and the number of employees for 50 companies in the investment firm’s portfolio. Here are the regression analysis results.

Coefficients Standard Error t Stat P-value Intercept 2556.884 328.3129 7.787948 4.61E-10 Employees 0.004759 0.001759 2.705661 0.009409

a) State the null and alternative hypothesis under investigation.