\"\"

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There are 10 numbers 1,2,3,4,5,6,7,8,9,10.

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Odd numbers are 2,4,6,8,10.

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Probability of getting an even number is \"\".

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\"\"                    (Multiply numerator and denominator by 10)

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\"\"                        (Multiply: \"\") 

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\"\"                          (Write fraction as percent)

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\"\"

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The probability of given event is \"\".