4)- Zoologist have discovered that animals spend a great deal of time resting, although this rest time can have functional importance. Discounting time spent in deep sleep, a University of Vermont researcher estimated the percentage of time various species spend at rest (National Wildlife, Aug Sep 1993). For example, the probability that a female fence lizard will be resting at any given time is approximately .95. a) In a random sample of 20 female fence lizards, what is the probability that at least 15 will be resting at any given time? b) In a random sample of 20 female fence lizards, what is the probability that fewer than 10 will be resting at any given time? c) In a random sample of 200 female fence lizards, would you expect to observe fewer than 190 at rest at any given time? Explain you answer
4)- Zoologist have discovered that animals spend a great deal of time resting, although this rest time can have functional importance. Discounting time spent in deep sleep, a University of Vermont researcher estimated the percentage of time various species spend at rest (National Wildlife, Aug Sep 1993). For example, the probability that a female fence lizard will be resting at any given time is approximately .95. a) In a random sample of 20 female fence lizards, what is the probability that at least 15 will be resting at any given time? b) In a random sample of 20 female fence lizards, what is the probability that fewer than 10 will be resting at any given time? c) In a random sample of 200 female fence lizards, would you expect to observe fewer than 190 at rest at any given time? Explain you answer
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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