one candy is taken for a fish bowl containing 4 red candies,4 yellow candy and 7 green candy.find the probability of choosing a green candy or yellow candy
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Answer:
The total probability of having both the same color is
2
5
Explanation:
The best way to visualise this is with a probability tree:
Tony B
Tony B
When making the first choice there are 5 to chose from. Once this has been removed and the second choice is being made there are 4 to chose from. Hence the change in denominator.
The total probability of having both the same color is
3
10
+
1
10
=
4
10
=
2
5
Step-by-step explanation:
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