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Suppose that IQs of adult Canadians follow a normal distribution with unknown standard deviation. A researcher takes a random sample of 25 adult Canadians who
Suppose that IQs of adult Canadians follow a normal distribution with unknown standard deviation. A researcher takes a random sample of 25 adult Canadians who have a mean IQ of 116, and a standard deviation of 11.
If the researcher believes that the true mean IQ of adult Canadian's is greater than 110, then what is the P-value for the appropriate test of significance?
Between 0.0025 and 0.005
Between 0.005 and 0.01
Between 0.01 and 0.02
Between 0.02 and 0.04
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