Answer:

Step-by-step explanation:
9514 1404 393
Answer:
We are absolutely certain that the event will occur
Step-by-step explanation:
An event with probability 1 is certain to occur. There is no chance it will not occur.
We are absolutely certain that the event will occur.
Answer:
4
Step-by-step explanation:
(19-5)/3.5
14/3.5
4