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a small biotechnology firm has 250 employees. the average age of employees is 42 years with a standart deviation of 8.5 yrs. the human resources

a small biotechnology firm has 250 employees. the average age of employees is 42 years with a standart deviation of 8.5 yrs. the human resources manager randomly selects 40 employees

a. what is the expected value and standard error of the mean age from the sample

Expected value =_________

standard error=______________

a2. is it necesay to use the finite correction factor

yes or no

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