LEMBAR KERJA KELOMPOK
(LKK)
Ayo
Kita Amati
Berdasarkan
Pengamatan kalian pada gambar 4.1 apa
saja yang dapat kalian peroleh?
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Coba
buatlah Pertanyaan
yang berhubungan dengan pengamatan kalian pada gambar 4.1 di atas
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Ayo
kita Mengali informasi.
Jika
sekeping uang logam dilempar sekali maka banyaknya anggota ruang sampel
ada dua
yaitu n(s)={Angka,Gambar} sehingga nilai kemungkinan atau Peluang yang
terjadi
adalah P(G)=n(G)/n(s): misal P(G)= peluang muncul gambar, n(G)banyak
anggota
G,n(S)=banyak Anggota Ruang sampel.
Jadi
peluang muncul gambar pada pelemparan sekeping
uang logam adalah: P(G)=n(G)/n(s)=1/2
Coba
temukan informasi dari gambar dibawah ini jika dilempar sekali:
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Ayo
kita menalar
Setelah
kita mengali informasi coba perhatikan
gambar 4.3 diatas:
Jika
dua koin dilempar sekali maka ruang sampel ada
empat yaitu n(S)={AA,AG,GA,GG} sehingga :
· kemungkinan
muncul kedua-duanya
Angka=1/4
· kemungkinan
muncul kedua duanya
Gambar=1/4
· kemungkinan
muncul satu angka dan satu
gambar =1/2
Coba
bernalarlah dari gambar dibawah ini:
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Ayo
Kita berbagi
Coba kalian presentasikan hasil lembar kerja kelompok di depan kelas.