A random sample of 67 lab rats are enticed to run through a maze, and a 95% confidence interval is constructed of the mean time it takes rats to do it. It is (2.3min, 3.1 min]. Which of the following statements is/are true? (More than one statement may be correct.) O 95% of the lab rats in the sample ran the maze in between 2.3 and 3.1 minutes. D 95% of the lab rats in the population would run the maze in between 2.3 and 3.1 minutes. O Using the sample for these rats, about 95% of the time, the interval [2.3, 3.1] would contain the population mean. The true population mean is not known.

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QUESTION 1
A random sample of 67 lab rats are enticed to run through a maze, and a 95% confidence interval is constructed of the mean time it takes rats to do it. It is [2.3min, 3.1
min]. Which of the following statements is/are true? (More than one statement may be correct.)
O 95% of the lab rats in the sample ran the maze in between 2.3 and 3.1 minutes.
O 95% of the lab rats in the population would run the maze in between 2.3 and 3,1 minutes.
O Using the sample for these rats, about 95% of the time, the interval (2.3, 3.11 would contain the population mean.
OThe true population mean is not known.
Transcribed Image Text:QUESTION 1 A random sample of 67 lab rats are enticed to run through a maze, and a 95% confidence interval is constructed of the mean time it takes rats to do it. It is [2.3min, 3.1 min]. Which of the following statements is/are true? (More than one statement may be correct.) O 95% of the lab rats in the sample ran the maze in between 2.3 and 3.1 minutes. O 95% of the lab rats in the population would run the maze in between 2.3 and 3,1 minutes. O Using the sample for these rats, about 95% of the time, the interval (2.3, 3.11 would contain the population mean. OThe true population mean is not known.
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