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Verified answer
Mapel : MatematikaKelas : IX SMP
Bab : Peluang
Pembahasan :
Misal laki laki = L
Perempuan = P
n(Keduanya L) = {(LL)} = 1
n(s) = {(LL)(LP)(PL)(PP)} = 4
P = n(k)/n(s)
P = 1/4
Kemungkinan = 4, = LL PP LP PL.
Peluang lahir = 1
Maka Peluang / Kemungkinan = 1 / 4