A box contains 3 plain pencils and 1 pen. A second box contains 9 color pencils and 3 crayons. One item from each box is chosen at random. What is the probability that a pen from the first box and a crayon from the second box are selected? Write your answer as a fraction in simplest form

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A box contains

3

plain pencils and

1

pen. A second box contains

9

color pencils and

3

crayons. One item from each box is chosen at random. What is the probability that a pen from the first box and a crayon from the second box are selected?

 

Write your answer as a fraction in simplest form

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