Pc025ptc030pdc040poc030 b pcandtpcxptc0250300075

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Unformatted text preview: tion to Statistics Tutorial 5 a. C = deaths that are due to cancer, T = tobacco, D = diet, O = others. P(C)= 0.25, P(T|C)=0.30, P(D|C)=0.40, P(O|C)=0.30 b. P(C and T) = P(C) x P(T|C) = (0.25)(0.30) = 0.075 Note: The prevalence is 0.01 in older population. Young population C (1) P (0) P (120) 1000 P (1) c c C c (999) P (879) Older population C (1) P (0) P (12) 100 P (1) c c C (99) c P (87) 3 a. Let C = the event of having breast cancer = 0.001 P = the event of having a positive test outcome Sensiti...
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