A large mail-order company has placed an order for 5,000 electric can openers with a supplier on the condition that no more than 2% of the devices will be defective. To check the shipment, the company tests a random sample of 400 of the can openers and finds that 11are defective.

Does this provide sufficient evidence to indicate that the proportion of defective can openers in the shipment exceeds 2%?

Test using α = 0.05.

Use 7 steps approach discussed in the class to report your results.

Use p value approach.