Question
Suppose that IQs of adult Canadians follow a normal distribution with standard deviation 15. A random sample of 30 adult Canadians has mean IQ of
Suppose that IQs of adult Canadians follow a normal distribution with standard deviation 15. A random sample of 30 adult Canadians has mean IQ of 112. We would like to construct a 92% confidence interval for the true mean IQ of all adult Canadians. What is the critical value z* to be used in the interval? Simply find z*. Input positive number. Anwer to 2 decimal places
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Mathematical Logic Foundations For Information Science
Authors: Wei Li
2nd Edition
3034808623, 9783034808620
