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Practice | SPM Add Math

SPM Additional Mathematics (KSSM)

Question
Bahasa Melayu
Satu kajian yang dijalankan di sebuah kolej mendapati bahawa 1 daripada setiap 4 orang pelajar berbasikal ke kampus. Sembilan orang pelajar dipilih secara rawak daripada kolej itu. Pemboleh ubah rawak diskret $X$ mewakili bilangan pelajar dalam kalangan sembilan orang itu yang berbasikal ke kampus. Hitung kebarangkalian bahawa lebih daripada dua orang daripada sembilan orang pelajar itu berbasikal ke kampus. Beri jawapan anda betul kepada empat tempat perpuluhan.

English
A study carried out at a college found that 1 out of every 4 students cycles to the campus. Nine students are chosen at random from the college. The discrete random variable $X$ represents the number of students among the nine who cycle to the campus. Calculate the probability that more than two of the nine students cycle to the campus. Give your answer correct to four decimal places.
[3 marks]
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Modelled on Selangor trial · Kertas 1 · Q12(b)

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Modelled on Selangor trial · Kertas 1 · Q12(b)

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Chapter 3
Permutations and Combinations
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