Ranges
Inclusive ranges contain both endpoints. A random whole number from 1 to 10 can be 1 or 10.
Choosing random numbers — Guide
Guidance for Random Number Picker. Practical instructions, limitations, and accuracy tips.
This article explains the use and limitations of the interactive tool. No signup is required. Output can be approximate and should not substitute for authoritative sources when the stakes are high.
With or without replacement
If duplicates are permitted, drawing several numbers is like replacing each number after it is chosen. Unique drawings remove a selected value from the pool.
Avoid bias
Use a clear selection rule before seeing any generated number; changing the rule afterward can bias decisions.