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# Peluang SMA Kelas XI IPA Sem 1

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### Peluang SMA Kelas XI IPA Sem 1

1. 1. Peluang http://meetabied.wordpress.com
2. 2. Setelah menyaksikan tayangan ini anda dapat Menentukan Ruang sample, kejadian, banyaknya ruang sample, dan banyaknya kejadian, serta peluang kejadian http://meetabied.wordpress.com
3. 3. Ruang sample (S) http://meetabied.wordpress.com Adalah himpunan semua kemungkinan yang terjadi dalam suatu percobaan. Banyaknya anggota ruang sample adalah n(S).
6. 6. Penyelesaian : <ul><li>a. Ruang sample </li></ul><ul><li>S = { 1, 2, 3, 4, 5, 6 }, jadi n(S) = 6 </li></ul><ul><li>b. Kejadian muncul mata dadu genap </li></ul><ul><li>A = {2, 4, 6}, jadi n(A) = 3 </li></ul><ul><li>c. Kejadian muncul mata dadu prima </li></ul><ul><li>A = {2, 3, 5}, jadi n(A) = 3 </li></ul><ul><li>d. Kejadian muncul mata dadu lebih dari 4 </li></ul><ul><li>A = {5, 6}, jadi n(A) = 2 </li></ul>http://meetabied.wordpress.com
8. 8. Penyelesaian <ul><li>a. Ruang sample, jadi n(S) = 36 </li></ul>http://meetabied.wordpress.com D2 D1 1 2 3 4 5 6 1 (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) 2 (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) 3 (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) 4 (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) 5 (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) 6 (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)
9. 9. Penyelesaian <ul><li>b. Kejadian muncul mata dadu berjumlah 5 </li></ul>http://meetabied.wordpress.com D2 D1 1 2 3 4 5 6 1 (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) 2 (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) 3 (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) 4 (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) 5 (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) 6 (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)
11. 11. Penyelesaian <ul><li>c. Kejadian muncul mata dadu berjumlah > 9 </li></ul>http://meetabied.wordpress.com D2 D1 1 2 3 4 5 6 1 (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) 2 (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) 3 (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) 4 (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) 5 (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) 6 (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)
13. 13. d. Kejadian muncul kedua mata dadu sama A = {(1,1), (2,2), (3,3), (4,4) (5,5), (6,6)} jadi n(A) = 6 http://meetabied.wordpress.com
14. 14. Contoh <ul><li>Pada percobaan melempar dua buah uang logam, tentukan : </li></ul><ul><li>a. Ruang sample </li></ul><ul><li>b. Kejadian muncul satu angka </li></ul><ul><li>c. Kejadian muncul keduanya gambar </li></ul>http://meetabied.wordpress.com
15. 15. Penyelesaian <ul><li>a. Ruang sample </li></ul><ul><li>S = { AA, AG, GA, GG } </li></ul><ul><li> n(S) = 4 </li></ul><ul><li>b. Kejadian muncul satu angka </li></ul><ul><li>A = { AG, GA } , n(A) = 2 </li></ul><ul><li>c. Keajadian muncul keduanya gambar </li></ul><ul><li> A = {GG}, n(A) = 1 </li></ul>http://meetabied.wordpress.com
16. 16. Latihan <ul><li>Pada percobaan melempar 3 buah uang logam tentukan : </li></ul><ul><li>a. Ruang sample (S) </li></ul><ul><li>b. Kejadian muncul dua angka </li></ul><ul><li>c. Kejadian muncul dua gambar </li></ul>http://meetabied.wordpress.com
17. 17. Penyelesaian <ul><li>a. Ruang sample </li></ul><ul><li> S = { AAA, AAG, AGA, AGG, GAA, GAG, </li></ul><ul><li> GGA, GGG }, jadi n (S) = 8 </li></ul><ul><li>b. Kejadian muncul dua angka </li></ul><ul><li> A = { AAG, AGA, GAA }, jadi n(A) = 3 </li></ul><ul><li>c. Kejadian muncul dua gambar </li></ul><ul><li> A = { AGG, GAG, GGA } , jadi n(A) = 3 </li></ul>http://meetabied.wordpress.com