Wednesday

July 30, 2014

July 30, 2014

Posted by **Anonymous** on Wednesday, April 17, 2013 at 12:55pm.

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.

i don't know what to do on this can u help me please

- Math Urgent -
**Steve**, Wednesday, April 17, 2013 at 1:54pm185 total bands

90/185 are brown

95/185 are pink

Those same values are the probabilities of picking one.

Don't be put off by the big numbers. If there had been 1 brown and 2 pink, would you have had trouble?

- Math Urgent -
**zero probability**, Wednesday, April 17, 2013 at 3:12pma) 95+90=185

therefore: Ppink=95/185

=19/37

b) Pbrown=90/185

=18/37

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