Sophie calculated her grades for Chemistry 101. Her grades are normally distributed with a mean of 90 and a standard deviation of 2. 1.What percentage of Sophie's grades are between

88 and 92? 2.What percentage of Sophie's grades are between 88 and 94? What percentage of Sophie's grades are between 88 and 96?3. 4.What is the probability of selecting one of Sophie's grades to be below 90? 5.What is the probability of selecting one of Sophie's grades to be below 88? 6.What is the probability of selecting one of Sophie's grades to be above 96?