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): You can put this solution on YOUR website!
 Sample size Given ??? 
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