D. The systolic blood pressure in healthy adults is normally distributed with a mean of 112 mmHg and a standard deviation of 12 mmHg. 1) What percent of healthy adults have a systolic blood pressure below 105? 2) What percent of healthy adults have a systolic blood pressure above 125? 3) What percent of healthy adults have a systolic blood pressure between 110 and 120? 4) What is the lowest systolic blood pressure of the top 5% of the distribution