In a box, there are 5 red balls, 3 blue balls, and 2 green balls. If one ball is randomly chosen, what is the probability of getting a blue or a green ball?a.1/2b.2/3c.2/7d.2/3
Question
In a box, there are 5 red balls, 3 blue balls, and 2 green balls. If one ball is randomly chosen, what is the probability of getting a blue or a green ball?a.1/2b.2/3c.2/7d.2/3
Solution
The total number of balls is 5 (red) + 3 (blue) + 2 (green) = 10 balls.
The number of favorable outcomes (getting a blue or green ball) is 3 (blue) + 2 (green) = 5 balls.
The probability of an event is calculated as the number of favorable outcomes divided by the total number of outcomes.
So, the probability of getting a blue or green ball is 5 (favorable outcomes) / 10 (total outcomes) = 1/2.
So, the answer is a. 1/2.
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