NCERT Class XI Mathematics - Probability - Solutions

Question : 6

Total: 54

2 boys and 2 girls are in Room X, and 1 boy and 3 girls in Room Y. Specify the sample space for the experiment in which a room is selected and then a person.

Solution:

Let B1,B2 and G1,G2 are the boys and girls respectively in room X, B3 and G3,G4,G5 are the boy and girls respectively in room Y. The sample space S for the experiment is given by S = {XB1,XB2,XG1,XG2, YB3,YG3,YG4,YG5}.

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