In a population of 1000, if 50 people are known to have a disease, what is the p

Practice Questions

Q1
In a population of 1000, if 50 people are known to have a disease, what is the prevalence rate of the disease? (2019)
  1. 0.05
  2. 0.1
  3. 0.15
  4. 0.2

Questions & Step-by-Step Solutions

In a population of 1000, if 50 people are known to have a disease, what is the prevalence rate of the disease? (2019)
  • Step 1: Identify the total number of people in the population. In this case, it is 1000.
  • Step 2: Identify the number of people who have the disease. Here, it is 50.
  • Step 3: Use the formula for prevalence rate, which is: Prevalence rate = Number of cases / Total population.
  • Step 4: Plug in the numbers into the formula: Prevalence rate = 50 / 1000.
  • Step 5: Calculate the result: 50 divided by 1000 equals 0.05.
  • Step 6: The prevalence rate of the disease is 0.05.
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