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Verified answer
Materi : Peluang
Soal Nomor 39
Ruang Sampel = 8 [ 2³ = 8 ]
Ket : paling banyak 1 anak artinya ≥ 1 anak
Titik Sampel = LPP , PLP , PPL , PLL , LPL , LLP , LLL [ 7 kejadian ]
Peluang = ⅞ { a. }
Soal Nomor 40
(1) Pengambilan bibit pertama
Ruang Sampel = 10 bibit
Titik Sampel = 4 terinfeksi
Peluang = 4/10 = ⅖
(2) Pengambilan bibit kedua
Ruang Sampel = 9 bibit
Titik Sampel = 3 terinfeksi
Peluang = 3/9 = ⅓
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Maka Peluang = ⅖ × ⅓ = 2/15
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