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Example Questions
Example Question #91 : How To Find The Probability Of An Outcome
A bag has red marbles, green marbles, and blue marbles. What is the probability of NOT drawing a red marble on the first draw?
Possible Answers:
Correct answer:
Explanation:
Recall that a probability is the likelihood of something occurring.
Mathematically, we can write probability as the following:
For this question, we do not want a red marble. This means that we are trying to find the probability of drawing either a blue or a green marble. Since we have blue marbles and green marbles, we have wanted outcomes. Since there is a total of marbles, we have a total of possible outcomes.
The probability then becomes the following:
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