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A person moving through a tuberculosis 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 tuberculosis prone zone remains infected but does not show symptoms of disease?

  1. $15$
  2. $33$
  3. $35$
  4. $37$
in Numerical Ability 24.6k points
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