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7. In a completely unrelated foodborne illness outbreak in Colorado, a questionnaire was administered to 100 randomly selected individuals that had dined at a cafeteria hall, some of whom had gotten ill while some were not sick. Based on this questionnaire, calculate the atta rates for items that were ingested by these individuals Item consumed Sick Ate Total % Sick (Attack Sick Did not eat Total % Si (Atta

7. In a completely unrelated foodborne illness outbreak in Colorado, a questionnaire was administered to 100 randomly selected individuals that had dined at a cafeteria hall, some of whom had gotten ill while some were not sick. Based on this questionnaire, calculate the atta rates for items that were ingested by these individuals Item consumed Sick Ate Total % Sick (Attack Sick Did not eat Total % Si (Atta

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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7. In a completely unrelated foodborne illness outbreak in Colorado, a questionnaire was administered to 100 randomly selected individuals that had dined at a cafeteria hall, some of whom had gotten ill while some were not sick. Based on this questionnaire, calculate the attack rates for items that were ingested by these individuals Item consumed Beef Chicken Onions Lettuce Sick 40 15 20 56 Ate Total 50 45 80 70 % Sick (Attack Rate) Sick 5 45 15 3 Did not eat 79. Which food item(s) seems to be the cause of the e-coli outbreak? Total 50 55 20 30 76. If there are 2 food options that seem to be the potential culprits, what do you do (analytically) to narrow down which food is contaminated? % Sick (Attack Rate)
Transcribed Image Text:7. In a completely unrelated foodborne illness outbreak in Colorado, a questionnaire was administered to 100 randomly selected individuals that had dined at a cafeteria hall, some of whom had gotten ill while some were not sick. Based on this questionnaire, calculate the attack rates for items that were ingested by these individuals Item consumed Beef Chicken Onions Lettuce Sick 40 15 20 56 Ate Total 50 45 80 70 % Sick (Attack Rate) Sick 5 45 15 3 Did not eat 79. Which food item(s) seems to be the cause of the e-coli outbreak? Total 50 55 20 30 76. If there are 2 food options that seem to be the potential culprits, what do you do (analytically) to narrow down which food is contaminated? % Sick (Attack Rate)
Expert Solution
Step 1
    Ate
Item consumed Sick Total
Beef 40 50
Chicken 15 45
Onions 20 80
Lettuce 56 70

 

    Do not Eat
Item consumed Sick Total
Beef 5 50
Chicken 45 55
Onions 15 20
Lettuce 3 30
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