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Mathematics, 27.11.2019 04:31, Jasten
Arandom sample of 25 employees of a local company has been taken. a 95% confidence interval estimate for the mean systolic blood pressure for all employees of the company is 123 to 139. which of the following statements is valid?
(a) 95% of the sample of employees has a systolic blood pressure between 123 and 139.
(b) if the sampling procedure were repeated many times, 95% of the resulting confidence intervals would contain the population mean systolic blood pressure.
(c) if the sampling procedure were repeated many times, 95% of the sample means would be between 123 and 139.
(d) 95% of the population of employees has a systolic blood pressure between 123 and 139.
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