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Mathematics, 02.07.2020 18:01 VampireQueen01

Mohon diberikan petunjuk ya kakak-kakak. Dari pengalaman selama ini, suatu perusahaan penerbangan memastikan bahwa rata-rata berat bagasi yang dibawa oleh penumpang untuk rute Jakarta – Surabaya adalah 20 kg dengan simpangan baku 5 kg dan terdistribusi normal. Pesawat selalu terisi penuh dengan 100 penumpang. Pilot pesawat akan meminta tambahan bahan bakar ekstra sebesar 125 kg apabila total bagasi penumpang melebihi 2075 kg. Berapa peluang bahwa pesawat membutuhkan bahan bakar ekstra?

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