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Question

2boys and 2girls are in RoomX and1 boy and3 girls are in RoomY. Specify the sample space for the experiment in which a room is selected and then a person.


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Solution

Write the sample space for the experiment in which a room is selected and then a person.

There are2 rooms

In one roomX 2boys and2 girls

That is [B1,B2,G1,G2]

In one room Y1boys, 3girls

That is[B3,G3,G4,G5]

When the roomX is selected, there are four probabilities of the member's solution

Sample space S=XB1,XB2,XG1,XG2,YB3,YG3,YG4,YG5


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