A person moving through a T.B prone zone has a 50% probability of becoming infected. However, only 30% of infected people develop the disease. What percentage of people moving through a T.B prone zone remains infected but does not show symptoms of disease?

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Two events : Getting Infected & Developing Disease:- Non-Infected Persons percentages. Person moving in TB prone zone. 50% of persons remains non-infected. Infected Persons Percentages:- TB prone zone = 50% Infected persons Out of Infected Persons 30% develop the disease. (@ 0.5 x30% = 15% of persons...
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Two events : Getting Infected & Developing Disease:- Non-Infected Persons percentages. Person moving in TB prone zone. 50% of persons remains non-infected. Infected Persons Percentages:- TB prone zone=50% Infected persons Out of Infected Persons 30% develop the disease. (@ 0.5 x30% = 15% of persons moving through TB Zone get infected & develop disease). ==> Out if Infected Persons 70% do not develop the disease (@0.5 x 70% = 35% of persons moving through TB Zone get infected but does not develop disease) So, the answer is 35% of people moving through a T.B. prone zone remains infected but does not show symptoms of disease. read less
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