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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 10. If the researcher believes that the true mean IQ of adult canadians is greater than 110, then what is the p-value for the appropriate test of significance?
A) between 0.0025 and 0.005
B) Between 0.005 and 0.01
C) between 0.01 and 0.02
D) between 0.02 and 0.04
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