A bag with 12 marbles has 12 yellow marbles. A marble is chosen from the bag at random. What is the probability that it is yellow?Write your answer as a fraction in simplest form.
Question
A bag with 12 marbles has 12 yellow marbles. A marble is chosen from the bag at random. What is the probability that it is yellow?Write your answer as a fraction in simplest form.
Solution
The probability of an event is calculated by dividing the number of favorable outcomes by the total number of outcomes.
In this case, the favorable outcome is drawing a yellow marble, and the total number of outcomes is the total number of marbles in the bag.
The number of favorable outcomes is 12 (since there are 12 yellow marbles), and the total number of outcomes is also 12 (since there are 12 marbles in total).
So, the probability of drawing a yellow marble is 12/12, which simplifies to 1/1, or simply 1.
So, the probability of drawing a yellow marble is 1.
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