212k views
4 votes
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a certain statistician has an IQ of 122, what percent of the population has an IQ less than she does?

2 Answers

2 votes

Answer:

93%

Explanation:

User Douglas Correa
by
8.6k points
4 votes
You have to use a z-table for that but it is somewhere around 90%.
User Mdolbin
by
7.5k points