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Mathematics 11 Online
OpenStudy (anonymous):

I understand A and B and C just need help with D! distributed with mean of 62 minutes and Standard Deviation of 11 minutes. a) Find percent of times between 45 and 75 min 82.04% b) Less than 80 Minutes 94.95% c) find the 35th percentile 57.71 d) Eighth decile for finishing times

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