Mathematics, 09.08.2021 23:40 od3008
Twenty-five blood samples were selected by taking every seventh blood sample from racks holding 187 blood samples from the morning draw at a medical center. The white blood count (WBC) was measured using a Coulter Counter Model S. The mean WBC was 8.636 with a standard deviation of 3.9265.
Required:
a. Construct a 90% confidence interval for the true mean using the FPCF.
b. What sample size would be needed for an error of ± 1.5 with 90% confidence?
Answers: 2
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Twenty-five blood samples were selected by taking every seventh blood sample from racks holding 187...
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