Onsider 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 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 compute the probability of two occurrences in one time period (to 4 decimals). compute the probability of four occurrences in three time periods (to 4 decimals). compute the probability of six occurrences in two time periods (to 4 decimals). icon key question 49 of 50 savesubmit test for grading