random selection
noun phraseUK /ˈrændəm sɪˈlekʃən/
US /ˈrændəm sɪˈlekʃən/
Picking something without a plan, just by chance.
The teacher made a random selection of students to read aloud.
OTHER MEANINGS
2. A way of choosing items for a study so that each item has an equal chance of being picked.
The researchers used random selection to assign participants to groups.
3. A choice made without any particular reason or pattern.
His random selection of songs made the playlist feel unpredictable.
4. In computing, choosing data items by chance rather than by a rule.
The program performs a random selection from the list each time it runs.