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Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

Explain why the factor 1.5 is broke. into two numbers in the model.

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the