A bargain bin contains classical and rock CDs. There are 60 CDs in the bin. Choosing a rock CD and not choosing a rock CD have the same number of favorable outcomes. How many rock CDs are in the bin?

There are a total of 30 rock CDs in the bargain bin if the bargain bin contains classical and rock CDs. There are 60 CDs in the bin and choosing a rock CD and not choosing a rock CD have the same number of favorable outcomes.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

Let's suppose there is a total n number of rock CDs in the bargain bin.

So the probability of choosing the rock CD = n/60

And the probability of not choosing the rock CD = 1 - n/60

According to the problems:

[tex]\rm \frac{n}{60} =1-\frac{n}{60}[/tex]

[tex]\rm \frac{n}{60}+\frac{n}{60} =1[/tex]

[tex]\rm \frac{2n}{60} =1[/tex]

2n = 60

n = 30

Thus, there are a total of 30 rock CDs in the bargain bin if the bargain bin contains classical and rock CDs. There are 60 CDs in the bin and choosing a rock CD and not choosing a rock CD have the same number of favorable outcomes.

Learn more about the probability here:

brainly.com/question/11234923

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