What is the probability of choosing two of the same animal?
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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Question
Question
There are 2 lizards and 5 snakes. Two animals are chosen at random without replacement.
The tree diagram shows the possible outcomes.
What is the probability of choosing two of the same animal?
Note: enter your answer in the form "5/7"
Answer:

Transcribed Image Text:First animal
~|N
7
IN
lizard
snake
Second animal
lizard
snake
lizard
snake
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