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solniwko [45]
3 years ago
11

A random sample of 25 employees of a local company has been taken. A 95% confidence interval estimate for the mean systolic bloo

d 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.
Mathematics
1 answer:
liraira [26]3 years ago
6 0

Answer:

(B) ​If the sampling procedure were repeated many times, 95% of the resulting confidence intervals would contain the population mean systolic blood pressure.

Step-by-step explanation:

A confidence interval of 95% means that there is a 95% certainty that for a given sample, the population mean will be within the confidence interval estimated.

This is the same as saying that if he sampling procedure were repeated many times, 95% of the time the population mean would be contained in the resulting confidence interval.

Therefore, the answer is B)

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