Adverisers contract with internet service providers services

Adverisers contract with internet service providers services engines to place ads on websites. They pay a fee based on the become a problem. Forty percent of advertisers claim they have been a visum of click fraud. Suppose a random sample of 380 advertisers will taken to learn more about how they are affected by this practice. What is the probability that the sample proportion will be greater than 45%?

Solution