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1. what is the probability of getting a 7 on one roll of a die?

 

second question...

 

2. What is the probability of drawing a red marble with a single draw from a bag containing 1 red marble, 2 white, and 4 blue marbles?

Thanks Guys! :)

 Jun 4, 2015

Best Answer 

 #1
avatar+128707 
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1. P(7)  = 0    [there isn't a "7" on a single die ]

 

2. P(Red) = [Number of red marbles] / [ Total number of marbles ]  =   1 / 7

 

 

 

 Jun 4, 2015
 #1
avatar+128707 
+5
Best Answer

1. P(7)  = 0    [there isn't a "7" on a single die ]

 

2. P(Red) = [Number of red marbles] / [ Total number of marbles ]  =   1 / 7

 

 

 

CPhill Jun 4, 2015
 #2
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Okay thanks!

 Jun 4, 2015

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