The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a standard deviation of 15. You enrolled in a class of 25 students. What is the probability that the class' average IQ exceeds 130?
A) 0.0228
B) 0.9772
C) Approximately zero
D) 0.9544

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The Answer of The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a standard deviation of 15. You enrolled in a class of 25 students. What is the probability that the class' average IQ exceeds 130?
A) 0.0228
B) 0.9772
C) Approximately zero
D) 0.9544

The Intelligence Quotient (IQ) Test Scores Are Normally Distributed with a Mean