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Draw this distribution and label your axis exactly

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The grades on a recent stats test followed a continuous distribution whose density function (pdf) is a perfectly symmetric triangle from 0 to 100.

(a) Draw this distribution and label your axis exactly (b) What is the mean of this distribution? why? (c) What is the probability a random student scored over 72%? (d) What is the probability a random student scored under 35%? (e) What is the probability a random student scored between 45 and 65%? (f) What is the probability a random student scored between 60 and 75%?

Reference no: EM132173742

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