Skip to main content
Practice | SPM Add Math

SPM Additional Mathematics (KSSM)

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.
[4 marks]
Preview

Tap to take a photo or choose an image

JPG or PNG accepted
Write with Apple Pencil on iPad (or finger / mouse) — the AI reads your working and grades it.
Type your answer
⌨ Math input▾
Modelled on Selangor trial · Kertas 2 · Q11(b)

Grading your answer... please wait

Modelled on Selangor trial · Kertas 2 · Q11(b)

🔗 Foundation Knowledge Gap Detected

This question requires understanding from these prerequisite chapters. Strengthen your foundations to improve your score.

Chapter 3
Permutations and Combinations
Critical
0%
Not started
Go to Ch.3 — Practice Foundations →
Try it free — the AI marks 3 answers a day. A free account marks 30 a day. Sign up free →
📖 Input mode Study the worked solution, then try one like it. Revealed questions aren't counted. Back to practice mode
ORBIT RAISED // LEVEL UP

Level Up!

Congratulations on your progress!