can you help me find the answer normal in shape with mean of

can you help me find the answer?

normal in shape with mean of 100 nd s1andard According to the standard deviaton rule, only 0.15% of people have an 1Q over what score? Question 2

Solution

According to standard deviation rule, only 0.15% have scores higher than 3 standard deviations above the mean.

Hence, as mean = 100, standard deviation = 15,

u + 3*sigma = 100 + 3*15 = 145 [ANSWER, E]