A company advertises that there are 1000 BBs in a box but knows that their production puts somewhere between 986 and 1014 BBs (inclusive) in it and…

A company advertises that there are 1000 BBs in a box but knows that their production puts somewhere between 986 and 1014 BBs (inclusive) in it and that all possibilities are endless likely. If this is The case then what’s the probability that 1000 or more BBs will be placed in a box?