Consider a Poisson distribution with a mean of two occurrences per time period.

Which of the following is the appropriate Poisson probability function for one time period?

1

2

3

Select

What is the expected number of occurrences in three time periods?

Select the appropriate Poisson probability function to determine the probability of x occurrences in three time periods.

1

2

3

Select

For the next three questions, if computing the probabilities manually, carry four decimal digits in your calculations.

Compute the probability of three occurrences in two time periods (to 4 decimals).

Compute the probability of four occurrences in one time period (to 4 decimals).

Compute the probability of seven occurrences in three time periods (to 4 decimals).