(Solution) Although controversial and the subject of some recent law suits, some human resource departments administer standard IQ tests to all employees.

Although controversial and the subject of some recent law suits, some human resource departments administer standard IQ tests to all employees. The Stanford Binet test scores are well modeled by a normal distribution with a mean of 100 and a standard deviation of 16.a. If the test is given to 121 job applicants, what is the probability that between 22 and 33 applicants will have a test score greater than 111?b. If the test is given to 12 job applicants, what is the probability that the sample mean test score will be less than 96.04?

 

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Sep 21, 2023

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