Considering your previous knowledge of monopolies and the nature of competition; how do monopolies hinder competition and why is it important for governments to take steps to limit this business practice? Please provide at least two examples.

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?