SOLUTION: A worldwide organization of academics claims that the mean IQ score of its members is 115 , with a standard deviation of 15 . A randomly selected group of members of this organiza
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-> SOLUTION: A worldwide organization of academics claims that the mean IQ score of its members is 115 , with a standard deviation of 15 . A randomly selected group of members of this organiza
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Question 872367: A worldwide organization of academics claims that the mean IQ score of its members is 115 , with a standard deviation of 15 . A randomly selected group of members of this organization is tested, and the results reveal that the mean IQ score in this sample is 115.8 . If the organization's claim is correct, what is the probability of having a sample mean of 115.8 or less for a random sample of this size? Answer by ewatrrr(24785) (Show Source):
