# Calculations of Probability: Assuming Poisson Distribution

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A particular database gets hacker attempts at an average rate of 2.6 per month. Assume a Poisson distribution.

1. What is the probability of at least three hacker attempts during a month?

2. What is the probability of a hacker attempt occurring every 15 days or less (assume a 30 day month).

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##### Solution Summary

This solution provides step-by-step calculations for probability assuming a Poisson distribution. See the attached file, answer arrived at using MATLAB.

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