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

Multiple Choice

Your company's internal auditor believes that 10% 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 written,five or more would contain errors if the theory is valid?

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