1 2 3 f(x) 0.025 0.041 0.049 0.074 4 7 f(x) 0.098 0.205 0.262 0.123 8. 9. f(x) 0.074 0.049 (a) P(X<1) (c) P(X>6) (e) Graph F(x). (b) P(2 < X<7.2) (d) Mean and variance

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