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

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Question: In a population of 1000, if 50 people are known to have a disease, what is the prevalence rate of the disease? (2019)

Options:

Correct Answer: 0.05

Exam Year: 2019

Solution:

Prevalence rate = Number of cases / Total population = 50 / 1000 = 0.05.

In a population of 1000, if 50 people are known to have a disease, what is the prevalence rate of the disease? (2019)

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.

Prevalence Rate – The prevalence rate is a measure of the proportion of a population that has a specific disease at a given time.