Mathematics, 11.09.2019 21:30, Serenitybella

In a study of 250 adults, the average heart rate was 70 beats per minute. assume the population of heart rates is known to be approximately normal, with a standard deviation of 12 beats per minute. what does a margin of error of 2 for the 98% confidence interval of the average beats per minute mean? in a study of 250 adults, the average heart rate was 70 beats per minute. assume the population of heart rates is known to be approximately normal, with a standard deviation of 12 beats per minute. what does a margin of error of 2 for the 98% confidence interval of the average beats per minute mean?

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In a study of 250 adults, the average heart rate was 70 beats per minute. assume the population of h...