Mathematics, 25.11.2019 08:31 Lindseycline123

In a study of 205 adults, the mean heart rate was 75 beats per minute. assume the population of heart rates is known to be approximately normal with a standard deviation of 8 beats per minute. what is the 95% confidence interval for the mean beats per minute?

a. 73.9 − 76.1
b. 73.7 − 76.1
c. 73.9 − 76.3
d. 70.9 − 73.3

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In a study of 205 adults, the mean heart rate was 75 beats per minute. assume the population of hear...