Based on the graph data, what conclusion can you draw about election-day registration in states where it was an option? It helped to increase voter turnout. It slightly lowered voter turnout. It was an option in more states in 2008. It will be adopted by more states in 2012.

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)?