Instructions: Identify p, n, and r for Problem 17(a) in the textbook, which is reproduced here. 17. Ecology: Wolves The following is based on information taken from The Wolf in the Southwest: The Making of an Endangered Species, edited by David Brown (University of Arizona Press). Before 1918, approximately 55% of the wolves in the New Mexico and Arizona 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 70% of wolves in the region are male, and 30% are female. Biologists suspect that male wolves are more likely than females to return to an area where the population has been greatly reduced. (a) Before 1918, in a random sample of 12 wolves spotted in the region, what was the probability that 6 or more were male? What was the probability that 6 or more were female? What was the probability that fewer than 4 were female? P=.55 n = 12 r = 0-12
Instructions: Identify p, n, and r for Problem 17(a) in the textbook, which is reproduced here. 17. Ecology: Wolves The following is based on information taken from The Wolf in the Southwest: The Making of an Endangered Species, edited by David Brown (University of Arizona Press). Before 1918, approximately 55% of the wolves in the New Mexico and Arizona 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 70% of wolves in the region are male, and 30% are female. Biologists suspect that male wolves are more likely than females to return to an area where the population has been greatly reduced. (a) Before 1918, in a random sample of 12 wolves spotted in the region, what was the probability that 6 or more were male? What was the probability that 6 or more were female? What was the probability that fewer than 4 were female? P=.55 n = 12 r = 0-12
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 22E: License Plate Numbers In a certain state, each automobile license plate number consists of two...
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O
MAR
1901
Instructions: Identify p, n, and r for Problem 17(a) in the textbook, which is reproduced here.
17. | Ecology: Wolves The following is based on information taken from The Wolf
in the Southwest: The Making of an Endangered Species, edited by David
Brown (University of Arizona Press). Before 1918, approximately 55% of
the wolves in the New Mexico and Arizona 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 70% of wolves
in the region are male, and 30% are female. Biologists suspect that male
wolves are more likely than females to return to an area where the population
has been greatly reduced.
(a) Before 1918, in a random sample of 12 wolves spotted in the region, what
was the probability that 6 or more were male? What was the probability
that 6 or more were female? What was the probability that fewer than 4
were female?
Text Predictions: On
p=.55
$.
a
n = 12
Accessibility: Investigate
0-12
Focus
B3
94°F Sunny
Transcribed Image Text:5 of 6
799 words
o
O
Instructions: Use the values from Step 1 of Problem 17 to identify the section, column, and row to use
of the Binomial Probability Distribution table (Table 2 in the Appendix). Then find the probability that
exactly 6 of the 12 wolves that were spotted are male wolves Problem 17(a).
Distribution for Old friends Tracking Success
0
1
2
3
4
5
6
Text Predictions: On
a
Accessibility: Investigate
hp
Focus
BE
94°F Sunny
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