Your Company's Internal Auditor Believes That 10 Percent of the Company's

Multiple Choice

Your company's internal auditor believes that 10 percent of the company's invoices contain errors.To check this theory,20 invoices are randomly selected,and 5 are found to have errors.What is the probability that of the 20 invoices selected,5 or more would contain errors if the theory is valid?

A) .0433
B) .0319
C) .9567
D) .8660