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IQ scores are normally distributed with a mean of 100 and standard deviation of 10.
For a sample of size n=25 from this population, what is the probability that the sample mean IQ score will be greater than 102?
From which of the following samples would the sample mean IQ be more likely to be greater than 105?
Sample size of n=25
Sample size of n=100
Equally likely for both samples.
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