Scores on the SAT exam approximate a normal distribution with a mean of 600 and a standard deviation of 80. Use the distribution to determine (2- score must be rounded to the two decimal places): 1. The zscore for a SAT score of 470 2. The percent of SAT scores that fall above 750 3. The probability for a SAT score that fall below 800 4. The percentage of SAT scores that fall between 525 and 570