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Find the probability of selecting exactly …

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Find the probability of selecting exactly 2 children if 4 person are chosen from 3 men and 2 women and 4 children
  • 2 answers

Keshav Bindal 6 years, 10 months ago

0.48

Keshav Bindal 6 years, 10 months ago

(4C2 × 5C2 ) ÷ 9C4 = (4×3/2 × 5×4/2) ÷ (9×8×7×6)/(4×3×2) = 60 ÷ 126 = 10/21
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