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Mathematics, 14.05.2021 04:00 cjjudecjude5675

In a kindergarten class of 19 students, 100 problems can be completed in a mean time of 6 minutes. The standard deviation is 1 minute. How many students will finish before 5 minutes ?

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In a kindergarten class of 19 students, 100 problems can be completed in a mean time of 6 minutes. T...
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