chauncey1hodges
chauncey1hodges
03-05-2018
Mathematics
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Skøll1922
Skøll1922
03-05-2018
It's easy
15/25(10/24)=1/4
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Аноним
Аноним
03-05-2018
Total Number of rulers = 15 + 10 = 25
Rulers with marking = 15
Rulers without marking = 10
P(with marking, then without marking) = ( 15/25 ) ( 10 /24 ) = 1/4
Answer: 1/4
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