Mr. Sanderson marks his class on a normal curve. Those with z-scores above 2.2 will receive an A, those between 2.2 and 0.8 will receive a B, those etween 0.8 and -0.9 will receive a C, those between -0.9 and -2.2 will receive a D, and those under -2.2 will receive an F. Determine the percent o grades that will be A, B, C, D, and F. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. D % of the grades are A's. Round to two decimal places as needed.)