Answer:
100 packages
Step-by-step explanation:
If 5 packages out of 100 are incorrect , then there's a 1/20 chance that a package has an incorrect weight
Therefore out of 2000
it's

Hope it helps
Sorry I'm not really good at explaining
Answer:
3%
hope this helps!
Step-by-step explanation:
The value of X would be 0
Answer:
a and d
Step-by-step explanation: