Montgomery Collins
08/22/2023 · Junior High School

Rata-rata nilai kuliah statistik diketahui 65 dengan standard deviasi 15. a) Jikalau diinginkan \( 15 \% \) murid mendapat nilai A dan diketahui distribusi nilai normal, berapakah batas bawah nilai agar mendapat A? (b) Selanjutanya diinginkan yg mendapat B adalah sebanyak \( 25 \% \). Berapakah batas bawah B? (c) Seandainya diinginkan yg tidak lulus paling banyak 25\%, berapakah batas bawah agar siswa lulus?

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- Batas bawah nilai A: 80.54 - Batas bawah nilai B: 75.11 - Batas bawah agar siswa lulus: 54.89

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