Appendix A.23

Poisson Probability Calculator

Calculate Poisson probabilities for modeling rare events with a known average rate.

Average Rate (

)

Occurrences per interval unit

Interval Length (

)

Number of units (e.g., hours, sq meters)

Target Successes (

)

Mean (

)

Std Dev (

)

Exact

0.00000

Less Than

0.00000

At Most

0.00000

More Than

0.00000

At Least

0.00000

Based on formula