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Suppose that of A State University's students can be described by a Normal model with mean 130 and standard deviation 8 points. Also suppose that
Suppose that of A State University's students can be described by a Normal model with mean 130 and standard deviation 8 points. Also suppose that of students from B State University can be described by a Normal model with mean 120 and standard deviation 10. a) We select 20 students from B State University at random. Find the probability that this group's average IQ is at least 125 points
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