Mathematics, 24.06.2021 02:30 babyduckies37

In a study of 225 adults, the mean heart rate was 72 beats per minute. Assume the population of heart rates is known to be approximately normal with a standard deviation of 10 beats per minute. What is the 90% confidence interval for the mean beats per minute ?

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In a study of 225 adults, the mean heart rate was 72 beats per minute. Assume the population of hear...

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