plz answer quickly.....
URGENT
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P(e)=n(b)/n(s)
N(s)=9+7+4=20
1.9/20
2.7+9/2
3.20/20
N(s)=9+7+4=20
1.9/20
2.7+9/2
3.20/20
Answered by
1
hope this helps you .
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thanks sara
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