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a bag contains seven red b***s numbered 2,4,5,6,7,8,10 and three white b***s numbered 1,3, and 9. If a ball is drawn, what is the probability the ball is white or the number on the ball is less than 3? Write your answer as a fraction in lowest terms.

 Jun 26, 2016
 #1
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P (white or <3)  = P(white)  + P(<3)  - P(white and  <3)

 

                               3/10     +    2/10    -   1/10     =

 

                                         4/10   =  

 

                                          2/5

 

 

 

cool cool cool 

 Jun 26, 2016

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