Scores on an IQ test are normally distributed with mean 103 points and standard deviation 15...
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Scores on an IQ test are normally distributed with mean 103 points and standard deviation 15 points. Complete parts (a) through (c) below. superior intelligence. Find the probability that a randomly selected person has superior intelligence. P(120<x<130) = 0.0926 (Round to four decimal places as needed.) b. According to the classification, a person with an IQ score less than 65 points has extremely low intelligence. Find the probability that a randomly selected person has extremely low intelligence. P(x<65)= (Round to four decimal places as needed.) Scores on an IQ test are normally distributed with mean 103 points and standard deviation 15 points. Complete parts (a) through (c) below. superior intelligence. Find the probability that a randomly selected person has superior intelligence. P(120<x<130) = 0.0926 (Round to four decimal places as needed.) b. According to the classification, a person with an IQ score less than 65 points has extremely low intelligence. Find the probability that a randomly selected person has extremely low intelligence. P(x<65)= (Round to four decimal places as needed.)
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