
Concept explainers
Using the Central Limit Theorem. In Exercises 5–8, assume that females have pulse rates that are
5. a. If 1 adult female is randomly selected, find the
b. If 16 adult females are randomly selected, find the probability that they have pulse rates with a mean less than 80 beats per minute.
c. Why can the normal distribution be used in part (b), even though the

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Chapter 6 Solutions
Elementary Statistics (13th Edition)
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