The area under the standard normal curve is 1 The standard deviation of the standard normal curve is 1 The mean of the standard normal curve is 0 5 What is the rule that describes 1 2 and 3 standard deviations from the mean Question 2 There are 4 basic typ problems 5 Students at the fine arts academy view on average five movies per semester with a standard deviation of two movies a What proportion of the students view more than six movies per semester b What proportion of the students view between 3 and 8 movies per semester c What proportion of the students view less than two movies per semester d What number separates the bottom 15 from the rest