A company has over 4,000 employees. In past surveys, 85% of their employees stated they were satisfied working for the company. The CEO suspects that the proportion of satisfied employees has recently decreased. A random sample of 350 employees was taken, and 287 reported that they were satisfied. Is there enough evidence to suggest a decrease in satisfaction? H0: p = 0.85

Ha: p < 0.85

p = The true proportion of all employees who are satisfied working for the company

Identify the following values that will be used to calculate our test statistic:

p hat =

p0 =

n =