A research study reported a 95% confidence interval for the mean time of hip surgeries based on a sample of 91 patients as (116 minutes, 138 minutes). Which of the following statements is correct about the given interval? A. Correct B. Incorrect We are 100% sure that the mean time of hip surgeries of the sampled 91 patients is between 116 and 138 minutes. -95% of the hip surgeries of the sampled 91 patients will fall between 116 and 138 minutes. We are 100% sure of hip surgeries take between 116 and 138 minutes. -We are 95% sure that hip surgeries will take, on average, 116 to 138 minutes.
A research study reported a 95% confidence interval for the mean time of hip surgeries based on a sample of 91 patients as (116 minutes, 138 minutes). Which of the following statements is correct about the given interval? A. Correct B. Incorrect We are 100% sure that the mean time of hip surgeries of the sampled 91 patients is between 116 and 138 minutes. -95% of the hip surgeries of the sampled 91 patients will fall between 116 and 138 minutes. We are 100% sure of hip surgeries take between 116 and 138 minutes. -We are 95% sure that hip surgeries will take, on average, 116 to 138 minutes.
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
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
Transcribed Image Text:A research study reported a 95% confidence interval for the mean time of hip surgeries based on a sample of 91 patients as (116 minutes, 138
minutes). Which of the following statements is correct about the given interval?
A. Correct
B. Incorrect
- We are 100% sure that the mean time of hip surgeries of the
sampled 91 patients is between 116 and 138 minutes.
-95% of the hip surgeries of the sampled 91 patients will fall
between 116 and 138 minutes.
We are 100% sure of hip surgeries take between 116 and 138
minutes.
We are 95% sure that hip surgeries will take, on average, 116 to
138 minutes.
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