Suppose that for a certain mathematics class the scores are normally distributed with a mean of 75 and a standard deviation of 8 The teacher wishes to give A s to the top 7 of the students and F s to the bottom 7 The next 17 in either direction will be given B s and D s with the other students receiving C s Find the bottom cutoff for receiving an A grade You may need to use the standard normal distribution table Round your answer to the nearest whole number