Question: Business and Management According to a report issued by the management consulting firm McKinsey & Company, 20% of all companies require genetic or family medical history information from employees or job applicants. A random sample of 1500 companies was obtained, and 345 said they require this information from employees or job applicants.
a. Identify p0 and n, and compute p^.
b. Check the nonskewness criterion.
c. Is there any evidence to suggest the true proportion of companies that require this information is greater than 0.20? Use a = 0.01.
d. Compute the p value associated with this hypothesis test.