At a local animal shelter, there are currently 42 dogs, 25 cats and 4 birds available for adoption. A farnily arrives wanting to adopt four pets. What is the probability they select their pets so there are at least two dogs? O P(42,2)P(29,2) + P(42,3)P(29,1) + P(42,4)P(29,0) P(71,4) O( 42 29 42 Y 29 42 29 3. 4 42 29 42 Y 29 42 29 2 3. 4
At a local animal shelter, there are currently 42 dogs, 25 cats and 4 birds available for adoption. A farnily arrives wanting to adopt four pets. What is the probability they select their pets so there are at least two dogs? O P(42,2)P(29,2) + P(42,3)P(29,1) + P(42,4)P(29,0) P(71,4) O( 42 29 42 Y 29 42 29 3. 4 42 29 42 Y 29 42 29 2 3. 4
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:QUESTION 4
At a local animal shelter, there are currently 42 dogs, 25 cats and 4 birds available for adoption. A family arrives wanting to adopt four pets. What is the
probability they select their pets so there are at least two dogs?
O P(42,2)P(29,2) + P(42,3)P(29,1) + P(42,4)P(29,0)
P(71,4)
29
o( 42 Y 29
42 Y 29
42
+
4
42
29
42 Y 29
42 Y 29
4
71
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