Mathematics, 19.05.2021 19:40 dogsarecute278

I need help ASAP... In a study of 235 adults, the mean heart rate was 82 beats per minute. Assume the population of heart rates is known to be approximately normal with a standard deviation of 5 beats per minute. What is the 98% confidence interval for the mean beats per minute?

80.9 − 86.3

70.9 − 83.3

81.2 − 82.8

80.9 − 83.3

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I need help ASAP... In a study of 235 adults, the mean heart rate was 82 beats per minute. Assume t...

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