(b) For the period from 1918 to the present, in a random sample of 12 wolves spotted in the region, what is the probability that 9 or more were male? What is the probability that 9 or more were female? What is the probability that fewer than 6 were female? 5.2

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 2EA
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Before 1918, approximately 55% of the wolves in a region were male, and 45% were female. However, cattle ranchers in this area have
made a determined effort to exterminate wolves. From 1918 to the present, approximately 65% of wolves in the region are male, and
35% are female. Biologists suspect that male wolves are more likely than females to return to an area where the population has been
greatly reduced. (Round your answers to three decimal places.)
Transcribed Image Text:Before 1918, approximately 55% of the wolves in a region were male, and 45% were female. However, cattle ranchers in this area have made a determined effort to exterminate wolves. From 1918 to the present, approximately 65% of wolves in the region are male, and 35% are female. Biologists suspect that male wolves are more likely than females to return to an area where the population has been greatly reduced. (Round your answers to three decimal places.)
(b) For the period from 1918 to the present, in a random sample of 12 wolves spotted in the region, what is the probability that
9 or more were male?
What is the probability that 9 or more were female?
What is the probability that fewer than 6 were female?
5.2
Transcribed Image Text:(b) For the period from 1918 to the present, in a random sample of 12 wolves spotted in the region, what is the probability that 9 or more were male? What is the probability that 9 or more were female? What is the probability that fewer than 6 were female? 5.2
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