Multiple Choice
The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a standard deviation of 15.
i. What is the probability that a person would score 130 or more on the test?
ii. You enrolled in a class of 25 students. What is the probability that the class' average IQ exceeds
130?
A) 0.0228, 0.4987
B) 0.4772, 0.300
C) 0.4772, 0.0026
D) 0.0228, approximately zero
E) None of the choices are correct
Correct Answer:

Verified
Correct Answer:
Verified
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