Pearson French
01/28/2023 · Elementary School
Cari kebarangkalian bahawa kedua-dua kad yang diperoleh itu ialah nombor. Find the probability of obtaining both cards labelled with numbers. Cari kebarangkalian bahawa satu keping kad dilabel dengan nombor dan satu keping kad dilabel dengan huruf diperoleh. Find the probability of obtaining a card labelled with number and the other card labelled with letter. [ 6 markah/6 marks]
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1. Probability of getting two numbered cards: \( \frac{n}{n + m} \times \frac{n - 1}{n + m - 1} \)
2. Probability of getting one numbered card and one lettered card: \( 2 \times \frac{n}{n + m} \times \frac{m}{n + m - 1} \)
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