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A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probability. Write the probability as a fraction in simplest form.
Find the theoretical probability of selecting a pink rubber band.
Find the theoretical probability of selecting a brown rubber band.
There are a total of 95 + 90 = 185 rubber bands in the box.
The theoretical probability of selecting a pink rubber band is:
95/185
This can be simplified by dividing both the numerator and denominator by 5:
19/37
Therefore, the probability of selecting a pink rubber band is 19/37.
The theoretical probability of selecting a brown rubber band is:
90/185
This can also be simplified by dividing both numerator and denominator by 5:
18/37
Therefore, the probability of selecting a brown rubber band is 18/37.