24. Assume that the resting heart rate in humans is normallydistributed with a population mean of 72 bpm and a standarddeviation of 8 bpm.

a. What proportion of the population has resting heart ratesbetween 70 and 82 bpm?

b. What proportion of the population has resting heart ratesbetween 50 and 75 bpm?

c. What proportion of the population has resting heart ratesbetween 60 and 70 bpm?

d. What proportion of the population has resting heart ratesbetween 55 and 69 bpm?

24. A population of scores has a mean of 56. In this population,a raw score of 40 corresponds to a z score of -4. What is thepopulation standard deviation?

25. A population of scores has a standard deviation of 5. Inthis population a raw score of 45 corresponds to a z score of 1.5.What is the population mean?

Answer rating: 100% (QA)

To solve these problems well use the properties of the normal distribution and zscores For Question 24 a To find the proportion of the population with ... View the full answer