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Part I. Food Bourne Outbreak 1. Crude encounter rate (75*100)/264=28.4 2. Food-Specific Attack rate ?layer stripe Did guttle 15/44=.34 Did non consume 60/220=.27 ?apple juice Did Consume 9/26.4=.34 Did not consume 66/237.6=.28 ?cantaloupe Did Consume 45/88=.51 Did not consume 30/176=.17 ?taco salad Did Consume 30/70.4=.43 Did not consume 45/193.6=.23 ?hot blackguard Did Consume 67.5/70.4=.96 Did not consume 7.5/193.6=0.038 ?chipped beef Did Consume 30/79.2 Did not consume 45/184.8=.24 ?egg salad Did Consume 30/105.6=.28 Did not consume 45/158.4=.28 ?apple pie Did Consume 37.5/ cx=.34 Did not consume 37.5/154=.24 3. Relative risk ?layer cake 1.3 ?apple juice 1.2 ?cantaloupe 3 ?taco salad 1.9 ?hot detent 25 ?chipped beef 1.6 ?egg salad 1 ?apple pie 1.4 4. Which food do you amusing as having caused the outbreak and why? The hot dogs caused the outbreak because the function of people that became ill after consuming the hot dogs was 67.5 which ar highest among the rest of the food items. Part II.

Sensitivity and Specificity of digital and germinate Mammography by patient group 1. Derive a 2x2 table for Digital and Film Mammography by patient group Digital MammographyFilm Mammography crab louseNo cancerTotalCancerNo CancerTotal probe Positive329,99510,027129,99510,007 Test Negative889,96589,9732889,96589,993 Total4099,960100,0004099,960100,000 2. Determine the confidence (positive predictive value) for women who test positive or negative. Step 1: If there are 100,000 women who are display and the prevalence of breast cancer is 0.04%, then 0.0004*100,000=40 of them would consent breast cancer. Step 2: Of the 40 women, who actually stick cancer, 31 of them will test positive with a digital mammography (sensitivity 0.78*40=31) and 20 of them will test positive with a film mammography (0.51*40=20). Step 3: Of... If you want to raise a full essay, order it on our website: Ordercustompaper.com

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