Find the inflection point on sigmoid curve

Reference no: EM131015503

A sigmoid learning curve is used to model proficiency. Suppose the percent proficiency is given by the

model P(t) = 100 / (1 + 50e^-0.4t), where t is days of practice.

Find the inflection point, the point where additional practice starts producing diminishing returns. Give your answer accurate to at least 2 decimal places.

Reference no: EM131015503

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