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- The answer to the math test paper in senior one.
The answer to the math test paper in senior one.
Reading the map shows that * * * has (1+4+10+15+20) = 50 people, including 20 people in the 90.5 ~ 95.5 partition.
Then the frequency of the score of 90.5 ~ 95.5 is 2050 = 0.4.
So the answer is: 0.4.
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