Consider \( X \sim \text{Po}(5) \). Suppose you want to compute \( P(X = 6) \).

1. Press , select Probability > Distributions > Poisson Pdf, and fill the parameters as follows:

   

The result should be \( 0.146 \) (rounded).

Consider \( X \sim \text{Po}(5) \). Suppose you want to compute \( P(X \leq 6) \).

1. Press , select Probability > Distributions > Poisson Cdf, and fill the parameters as follows:

   

The result should be \( 0.762 \) (rounded).

Consider \( X \sim \text{Po}(5) \). Suppose you want to graph it.

1. Create a new document and select Add Graphs.
2. Press and select Graph Entry/Edit > Sequence > Sequence. Enter the parameters as follows:

   

3. Choose a proper window.

   

4. Press . The following should be displayed: