(a) Use the Poisson approximation to calculate the approximate probability that between 3 and 7 (inclusive) carry the gene. (Round your answer to three decimal places.) (b) Use the Poisson approximation to calculate the approximate probability that at least 7 carry the gene. (Round your answer to three decimal places.)

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**Understanding Poisson Distribution: A Practical Application**

An article reports that 1 in 500 people carry the defective gene that causes inherited colon cancer. In a sample of 2000 individuals, we want to determine the approximate distribution of the number who carry this gene. This can be approximated using the Poisson distribution with a mean (μ) value that needs to be calculated.

**Problem Statement:**

We can approximate this distribution by the Poisson distribution with μ = [   ].

1. **Part (a):** Using the Poisson approximation, calculate the approximate probability that between 3 and 7 individuals (inclusive) carry the gene. (Round your answer to three decimal places.)
   - Input box for answer: [   ]

2. **Part (b):** Use the Poisson approximation to calculate the approximate probability that at least 7 individuals carry the gene. (Round your answer to three decimal places.)
   - Input box for answer: [   ]

To solve these problems, you may need to refer to the appropriate table in the Appendix of Tables.

**Additional Resources:**

- **Need Help?**
  - **Read It**: Provides access to textual resources for understanding the Poisson distribution.
  - **Watch It**: Offers video explanations and tutorials on applying the Poisson approximation.

This exercise illustrates how the Poisson distribution is used to model rare events over a fixed interval, making it a valuable tool in genetic research and other fields.
Transcribed Image Text:**Understanding Poisson Distribution: A Practical Application** An article reports that 1 in 500 people carry the defective gene that causes inherited colon cancer. In a sample of 2000 individuals, we want to determine the approximate distribution of the number who carry this gene. This can be approximated using the Poisson distribution with a mean (μ) value that needs to be calculated. **Problem Statement:** We can approximate this distribution by the Poisson distribution with μ = [ ]. 1. **Part (a):** Using the Poisson approximation, calculate the approximate probability that between 3 and 7 individuals (inclusive) carry the gene. (Round your answer to three decimal places.) - Input box for answer: [ ] 2. **Part (b):** Use the Poisson approximation to calculate the approximate probability that at least 7 individuals carry the gene. (Round your answer to three decimal places.) - Input box for answer: [ ] To solve these problems, you may need to refer to the appropriate table in the Appendix of Tables. **Additional Resources:** - **Need Help?** - **Read It**: Provides access to textual resources for understanding the Poisson distribution. - **Watch It**: Offers video explanations and tutorials on applying the Poisson approximation. This exercise illustrates how the Poisson distribution is used to model rare events over a fixed interval, making it a valuable tool in genetic research and other fields.
Expert Solution
Step 1: mentioning given information

An article reports that 1 in 500 people carry the defective gene that causes inherited colon cancer.

There are sample of 2000 individuals.

n = 2000 

rate = lambda= 1/500 



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