hw2sol

hw2sol - 17. (a) 10% (b) 50% (c) No. Since P(d) * P(s)...

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Solution of HW2 (AMS007 Biostatistics) (odd number problem) 1. (a) 120 (b) 35 (c) 1 (d) 1 (e) 9 (f) 56 5. 6435 7. 142,506 15. (a) 5.1% (b) 85% (c) No. Since the probability to have this kind of blood is 0.3%, which means for every 1000 people, 3 of them will have this blood type. The probability is still too high to reach any conclusion.
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Unformatted text preview: 17. (a) 10% (b) 50% (c) No. Since P(d) * P(s) doesnt equal to P(d and s) 21. (a) 90% (b) 75% (c) No. Since P(m) * P(t) doesnt equal to P(m and t) 23. (a) (b) P(high BOD) * P(low P H) = 6%, doesnt equal to P(high BOD and low P H ) (c) 33% (d) 14% (e) 60% BOD 30% P H 20 %...
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