Keisha is working on a math worksheet with 50 problems. she has completed 20 problems in 25 minutes. if she continues at the sam
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Due to the common probability formula I can solve that task. Refering to the task you gave, we have all the information we need. We solve it like that: 
So the answer is the first option <span>0.621%</span>
So the answer is the first option <span>0.621%</span>