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Peluang

Peluang. Oleh : Devie Rosa Anamisa. Perantara : Sebuah dadu  S={1,2,3,4,5,6} Jadi kalau ada 2 dadu : 6^2 = 36 Uang Logam  S= { Angka , Gambar } Jadi kalau ada 2 uang logam : 2^2 = 4 Rumus Peluang : P(A) = n(A)/n(S) ket : P(A) = peluang Kejadian A

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Peluang

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  1. Peluang Oleh : Devie Rosa Anamisa

  2. Perantara : • Sebuahdadu S={1,2,3,4,5,6} • Jadikalauada 2 dadu : 6^2 = 36 • UangLogam S= {Angka, Gambar} • Jadikalauada 2 uanglogam : 2^2 = 4 • RumusPeluang : P(A) = n(A)/n(S) ket: P(A) = peluangKejadian A n(A) = Kejadian A n(S) = RuangSampel

  3. KomplemenSuatuKejadian P (Ά) = 1- P(A) atau P (Ά) + P(A) = 1 • FrekuensiHarapan : (fh) : fh= P(A) . n ket : n = banyaknyapercobaan

  4. Soal • Duadadudilemparbersama-sama. Tentukanpeluangkejadiandadumuncul: a. berjumlah 8 b. berjumlah 10 c. Berjumlahkurangdari 4 d. Berjumlahlebihdari 4

  5. 2. 4 uanglogamdilemparbersama-sama, tentukanpeluangmunculnya: a. 3 angka b. 3 gambar c. minimal 2 gambar d. 2 Angka 3. 4 siswaputradan 4 putrimerekadudukberdampingandalamsatubaris. a. adaberapamerekaduduk

  6. 4. Dari kotakterdapat6 bola merahdan 4 bola putihdaridalamkotakdiambil 3 bola sekaligussecaraacak. Tentukanpeluangterambilnya : a. 2 bola merah b. semua bola putih 5. Duadadudilemparsekali. Tentukanpeluangkejadianmatadadumunculberjumlah 4 atauberjumlah 6?

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