iq-scores-are-normally-distributed-with-a-mean-of-100-and-a-standard-deviation-of-15-what-percentag

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What percentage of people have an IQ between 130 and 100?

A. 13.5%

B. 47.5%

C. 95%

D. 27%