Mathematics, 04.06.2020 13:06 darkghostmist

In a study of 250 adults the average heart rate was 70 bpm assume the population of heart rate is known to be approximately normal with a standard deviation of 12 bpm what does a margin of error of two 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 bpm assume the population of heart rate is kn...