Find the probability of having a sample mean less than size

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A worldwide organization of academics claims that the mean IQ score of its members is 115 , with a standard deviation of 16. A randomly selected group of 35 members of this organization is tested, and the results reveal that the mean IQ score in this sample is 114.6 . If the organization's claim is correct, what is the probability of having a sample mean of 114.6 or less for a random sample of this size?

Reference no: EM13118755

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