Question
Bahasa Melayu
Markah yang diperoleh oleh $200$ orang calon dalam suatu ujian bertabur secara normal dengan min $64$ markah dan sisihan piawai $12$ markah. Seseorang calon lulus ujian itu jika markah yang diperoleh sekurang-kurangnya $55$. Cari bilangan calon yang gagal dalam ujian itu.
English
The marks obtained by $200$ candidates in a test are normally distributed with a mean of $64$ marks and a standard deviation of $12$ marks. A candidate passes the test if the mark obtained is at least $55$. Find the number of candidates who failed the test.
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Modelled on Selangor trial · Kertas 2 · Q11(b)
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Modelled on Selangor trial · Kertas 2 · Q11(b)
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