What is the probability that a randomly selected psychology student will have a lower IQ than the average psychiatric patient? b) What percentage of people from the general population will have a higher IQ than a student at the 67th percentile of the psychology student distribution?
Please do not give solution in image format thanku
The population distribution of scores on a commonly used IQ test is normal with a mean of 100 and a standard deviation of 15. The test was recently administered to a sample of psychology undergraduates and to a sample of mildly depressed psychiatric patients. Both groups yielded
a) What is the probability that a randomly selected psychology student will have a lower IQ than the average psychiatric patient?
b) What percentage of people from the general population will have a higher IQ than a student at the 67th percentile of the psychology student distribution?
Step by step
Solved in 5 steps with 4 images
