Mathematics, 23.07.2019 02:00 Leonorareed5145
In a study of 250 adults, the mean 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 is the 99% confidence interval for the mean beats per minute? 68.9 − 76.3 70 − 72 61.2 − 72.8 68 − 72
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In a study of 250 adults, the mean heart rate was 70 beats per minute. assume the population of hear...
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