2 boys and 2 girls are in room P and...

2 boys and 2 girls are in room P and 1 boy 3 girls are in room Q. write the sample space for the experiment in which a room is selected and then a person.

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Total number of room =2
Selecting a particular room can be done in 2 ways
Selecting a person from a particular room can be done in P - 4, Q - 4
Elements in sample space are
...

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