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Mother, Father and Son Line up at Random for a Family Picture E: Son on One End, F: Father in Middle - CBSE (Commerce) Class 12 - Mathematics

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Question

Mother, father and son line up at random for a family picture E: son on one end, F: father in middle

Solution

If mother (M), father (F), and son (S) line up for the family picture, then the sample space will be

S = {MFS, MSF, FMS, FSM, SMF, SFM}

⇒ E = {MFS, FMS, SMF, SFM}

F = {MFS, SFM}

∴ E ∩ F = {MFS, SFM}

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Solution Mother, Father and Son Line up at Random for a Family Picture E: Son on One End, F: Father in Middle Concept: Conditional Probability.
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