In a large field the number of chafer beetles in an area A is thought to follow a Poisson distribution with a mean 2A. In order to measure the number of beetles in the field an entomologist plans to count all the beetles in a circle of radius r. How big does r have to be so that the chance there are no beetles in the circle is 0.01?
In a large field the number of chafer beetles in an area A is thought to follow a Poisson distribution with a mean 2A. In order to measure the number of beetles in the field an entomologist plans to count all the beetles in a circle of radius r. How big does r have to be so that the chance there are no beetles in the circle is 0.01?
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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In a large field the number of chafer beetles in an area A is thought to follow a Poisson distribution with a mean 2A. In order to measure the number of beetles in the field an entomologist plans to count all the beetles in a circle of radius r. How big does r have to be so that the chance there are no beetles in the circle is 0.01?
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