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What is the probability of a person being infected with a disease if the prevale

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Question: What is the probability of a person being infected with a disease if the prevalence of the disease in a population is 2%? (2021)

Options:

  1. 0.02
  2. 0.5
  3. 0.1
  4. 0.03

Correct Answer: 0.02

Exam Year: 2021

Solution: 

The prevalence of the disease is given as 2%, which can be expressed as a probability of 0.02.

What is the probability of a person being infected with a disease if the prevale

Practice Questions

Q1
What is the probability of a person being infected with a disease if the prevalence of the disease in a population is 2%? (2021)
  1. 0.02
  2. 0.5
  3. 0.1
  4. 0.03

Questions & Step-by-Step Solutions

What is the probability of a person being infected with a disease if the prevalence of the disease in a population is 2%? (2021)
  • Step 1: Understand that prevalence means how common a disease is in a population.
  • Step 2: The prevalence of the disease is given as 2%.
  • Step 3: Convert the percentage to a decimal to find the probability. To do this, divide 2 by 100.
  • Step 4: Calculate 2 / 100, which equals 0.02.
  • Step 5: The probability of a person being infected with the disease is 0.02.
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