A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 18. Using the empirical rule, about what percent of people should have IQ scores above 118? A 5% B 0.3% C 16% D 2.5%

Option C) 16%        

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 100

Standard Deviation, σ = 18

We are given that the distribution of IQ score is a bell shaped distribution that is a normal distribution.

Empirical Formula:

Almost all the data lies within three standard deviation from the mean for a normally distributed data.About 68% of data lies within one standard deviation from the mean.About 95% of data lies within two standard deviations of the mean.About 99.7% of data lies within three standard deviation of the mean.

We have to find the percentage of data above 118.

From empirical rule we can write:

Thus, the correct answer is

Option C) 16%

The answer is

Idon’t know but you’ll figure it out