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A person has taken a sample at 60 different random times during a week of their heart rate in beats per minute and obtained a

A person has taken a sample at 60 different random times during a week of their heart rate in beats per minute and obtained a mean of 58 bpm. . The sample standard deviation of bpm from the sample was 4.52 bpm. The distribution of individual bpm values appeared closely normally distributed. Find a 99% confidence interval for the true mean beats per minute of this person. (Lower Bound = , Upper Bound = )

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