i have this particular question: the final examination scores in a statistics course are normally distrubuted with the average score of 70 and standard deviation of 6. The department decideds to give A's to the top 20% of the class and F's to the bottom 5% of the class
a) find the lowest possible score for getting an A
b) find the lowest passing score for the class
a) find the lowest possible score for getting an A
b) find the lowest passing score for the class