1. tiga dadu dilempar bersama sbanyk 432 kali , tentukan harapan munculnya jumlah mata ketiga dadu adalah 7? 2. sebuah dadu dilemparkan 1 kali , tentukan munculnya mata dadu prima! 3 . sebuah dadu dilemparkan 1 kali , tentukan peluang munculnya mata dadu kurang dari 5!
AnandaHafidhRno 1 n(S) = 6³ = 216 n = 432 kali hasil 7 = {(1,1,5)(1,2,4)(1,3,3)(1,4,2)(1,5,1)(2,1,4)(2,2,3)(2,3,2)(2,4,1)(3,1,3)(3,2,2)(3,3,1)(4,1,2)(4,2,1)(5,1,1)} n(hasil 7) = 15
P(hasil 7) =
P(hasil 7) =
Fh = P(hasil 7) x n
Fh = x 432
Fh = 15 x 2 Fh = 30 kali
no 2 S = {1,2,3,4,5,6} n(S) = 6 prima = {2,3,5} n(prima) = 3
P(prima) =
P(prima) =
P(prima) = = 0,5
no 3 S = {1,2,3,4,5,6} n(S) = 6 kurang dari 5 = {1,2,3,4} n(<5) = 4
n(S) = 6³ = 216
n = 432 kali
hasil 7 = {(1,1,5)(1,2,4)(1,3,3)(1,4,2)(1,5,1)(2,1,4)(2,2,3)(2,3,2)(2,4,1)(3,1,3)(3,2,2)(3,3,1)(4,1,2)(4,2,1)(5,1,1)}
n(hasil 7) = 15
P(hasil 7) =
P(hasil 7) =
Fh = P(hasil 7) x n
Fh = x 432
Fh = 15 x 2
Fh = 30 kali
no 2
S = {1,2,3,4,5,6}
n(S) = 6
prima = {2,3,5}
n(prima) = 3
P(prima) =
P(prima) =
P(prima) = = 0,5
no 3
S = {1,2,3,4,5,6}
n(S) = 6
kurang dari 5 = {1,2,3,4}
n(<5) = 4
P(<5) =
P(<5) =
P(<5) =