Mathematics, 30.09.2019 17:30 erin5678

Suatu mesin dapat membuat suatu alat tahanan listrik dengan rata-rata tahanan sebesar 288,6 ohm dan simpangan baku 12,4 ohm. tahanan tersebut menyebar mengikuti distribusi normal. hitunglah probabilitas mesin tersebut mampu menghasilkan tahanan melebihi 300 ohm dan jika ada 3500 alat yang dihasilkan berapa banyak alat yang mempunyai tahanan antara 280 sampai denan 315 ohm ?

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Suatu mesin dapat membuat suatu alat tahanan listrik dengan rata-rata tahanan sebesar 288,6 ohm dan...