Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 85 and a standard deviation of 15. Use the 68-95-99.7 rule to find the following quantities. a. The relative frequency of rates less than 115 using the 68-95-99.7 rule is (Round to three decimal places as needed.) b. The relative frequency of rates greater than 100 using the 68-95-99.7 rule is (Round to three decimal places as needed.) c. The relative frequency of rates between 55 and 85 using the 68-95-99.7 rule is (Round to three decimal places as needed.)
Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 85 and a standard deviation of 15. Use the 68-95-99.7 rule to find the following quantities. a. The relative frequency of rates less than 115 using the 68-95-99.7 rule is (Round to three decimal places as needed.) b. The relative frequency of rates greater than 100 using the 68-95-99.7 rule is (Round to three decimal places as needed.) c. The relative frequency of rates between 55 and 85 using the 68-95-99.7 rule is (Round to three decimal places as needed.)
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Transcribed Image Text:Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 85 and a standard deviation of 15. Use the 68-95-99.7 rule to find the following quantities.
a. The relative frequency of rates less than 115 using the 68-95-99.7 rule is
(Round to three decimal places as needed.)
b. The relative frequency of rates greater than 100 using the 68-95-99.7 rule is
(Round to three decimal places as needed.)
c. The relative frequency of rates between 55 and 85 using the 68-95-99.7 rule is
(Round to three decimal places as needed.)
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