For a person with an IQ of 145, according to the z distribution, his or her score would be in the _________ percentile.
A)99th (or 100th)
B)95th
C)90th
D)145th

Question

Quizplus · Accepted Answer

An IQ of 145 is significantly above the average IQ of 100 and falls more than two standard deviations above the mean in a normal distribution, placing an individual well into the 99th percentile, indicating they score higher than 99% of the population.

For a Person with an IQ of 145, According to the Z