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.
a. Find the theoretical probability of selecting a pink rubber band.
b. Find the theoretical probability of selecting a brown rubber band.
total bands: 185
P(pink) = 95/185
P(brown) = 90/185
I expect you can reduce the fractions.
Thanks
To find the theoretical probability of selecting a pink rubber band, you need to divide the number of pink rubber bands by the total number of rubber bands in the box.
a. The probability of selecting a pink rubber band is given by the fraction:
Number of pink rubber bands / Total number of rubber bands
In this case, there are 95 pink rubber bands and a total of 95 + 90 = 185 rubber bands in the box.
Therefore, the probability of selecting a pink rubber band is:
95 / 185
This fraction cannot be simplified further, so the probability of selecting a pink rubber band is 95/185.
b. Similarly, the probability of selecting a brown rubber band is given by the fraction:
Number of brown rubber bands / Total number of rubber bands
In this case, there are 90 brown rubber bands and a total of 95 + 90 = 185 rubber bands in the box.
Therefore, the probability of selecting a brown rubber band is:
90 / 185
This fraction cannot be simplified further, so the probability of selecting a brown rubber band is 90/185.