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Stephen reaches into a bag of marbles and pulls one out at random.  What is the probability that he pulls out a marble that is not strippped/swirled?

 

 Mar 31, 2021
 #1
avatar+31369 
+1

10 marbles   3 are striped    7 are not       7 out of 10     7/10

 Mar 31, 2021
edited by ElectricPavlov  Mar 31, 2021
 #2
avatar+317 
0

There are 10 marbles 7 of them are not striped/swirled so that makes it 6/10 marbles are not striped/swirled so the answer would be either 7/10, 70%, 0.7 (there are the same thing)

 Mar 31, 2021
edited by itachiuchihakujo  Mar 31, 2021
 #3
avatar+294 
+1

7/10

 

3 are striped

total = 10

 

not = 70%

 

smiley

 Mar 31, 2021

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