If either event A or event B must occur, then A and B are ...

[erika]

If either event A or event B must occur, then A and B are mutually exclusive and collectively exhaustive events.
  Indicate whether the statement is true or false

Question 2

The ___________________ _ of a Poisson distribution is the rate at which successes occur for a given period of time or interval of space.
 Fill in the blank(s) with correct word

[dlook33]

Answer to Question 1

T

Answer to Question 2

mean
expected value

[erika]

Thanks for the timely response, appreciate it

[kswal303]

Wow, this really help