The scores of a standardized test are normally distributed with a mean of 500 points and a standard deviation of 30 points. (A) What percent of test takers scored below 470? Remember to attach the %...

The scores of a standardized test are normally distributed with a mean of 500 points and a standard deviation of 30 points. (A) What percent of test takers scored below 470? Remember to attach the % symbol to your answer. For example, if the answer is 5 percent, enter 5%.(B) What percent of test takers scored above 590?(C) What percent of test takers scored between 470 and 560?