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### Given Data:
The matrix represents the number of system crashes per week over 40 weeks. Here's how we can approach each question:

**a) Create a frequency distribution table.**
We need to count how often each number of system crashes (from 0 to 5) occurs.

**b) Bar or column graph of the distribution.**
Once we have the frequency distribution, we'll plot a bar graph.

**c) Count the number of weeks with more than 2 but at most 5 system crashes.**

**d) Count the number of weeks with more than 4 system crashes.**

**e) Calculate the following percentages:**
1. Weeks with at most 3 crashes.
2. Weeks with at least 2 crashes.

I'll first extract the relevant data from the matrix and calculate the frequency distribution.It seems like I can’t do more advanced data analysis right now. Please try again later. If you'd like, I can guide you on how to manually create the frequency distribution table and other parts of the task using software like Excel or a calculator.

Let me know if you'd like further assistance or more detailed instructions!

Se tiene la información de 40 semanas de operación de un terminal de computación conectado por vía telefónica a un computador central, donde se registró el número de caídas del sistema por semanas. Los datos son los siguientes: (data in image).

Learn how to analyze the frequency of system crashes over a 40-week period using a frequency distribution table and bar graph. This problem covers key statistical concepts such as frequency distribution, bar graphs, and percentage calculations. Suitable for high school students in Grades 10-12.

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