Question: * 14. Consider the intelligence quotient (I.Q.). It is known that IQ's ~ N(100, 256). If a person were selected at random, (a) What is

* 14. Consider the intelligence quotient (I.Q.). It is known that IQ's ~ N(100, 256). If a person were selected at random, (a) What is the probability that his or her IQ would be below 120? (b) What is the probability that his or her IQ would be above 120? (c) What is the probability that his or her IQ would be between 90 and 105? (d) What is the probability that his or her IQ would be below 90? (e) What is the 95th percentile? (f) What is the 3rd quartile
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