We would like to determine whether the true mean systolic blood pressure of heal

Question

We would like to determine whether the true mean systolic blood pressure of healthy adults differs from 120. We obtain a sample of healthy adults and conduct an appropriate hypothesis test, which results in a P-value of 0.021. Which of the following statements is true? A 96% confidence interval for mu would contain the value 120. A 98% confidence interval for mu would contain the value 120 A 99% confidence interval for mu would not contain the value 120. I only II only III only I and II only II and III only

Explanation / Answer

Answer : (B) II only

A 98% confidence interval for µ would contain the value 120.

is the following statements is true

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