Could anyone please help me with this maths question??

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Okra124
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Those answer is 3/15 but I have no clue how to get it.
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old_engineer
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(Original post by Okra124)
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Those answer is 3/15 but I have no clue how to get it.
How sure are you of that 3/15 ?
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Okra124
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Because it says that in the answers of the book
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Muttley79
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(Original post by Okra124)
Because it says that in the answers of the book
What have you tried?
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Kathum
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#5
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I think it might be 3/5 instead?
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goggleyed
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I can't, my neck is hurting from having to read it.
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the bear
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3/5 as post #5 says
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Okra124
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Yeah sorry guys the answer is 3/5 my bad, I read the answers wrong. But thanks for all the help, much appreciated.
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Kathum
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(Original post by Okra124)
Yeah sorry guys the answer is 3/5 my bad, I read the answers wrong. But thanks for all the help, much appreciated.
do you know how to work it out?
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Okra124
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Yeah u just use a probability table like this…Name:  2EC94674-82F6-4BBD-BB36-1635011A7C14.jpg.jpeg
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Kathum
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Yeah or you could use a tree diagram as well
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