The internal auditor for your company believes that 10 percent of your 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?

choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .

the answer is d. 75%

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.