116/632 ≅ 0.184
IC = [ ≅ 0.184 - 1 / √632 ; 0.184 + 1 /√632 ]
= [ ≅0.144 ; ≅0.223]
encadrement [ ≅ 91 ; ≅141 ]
1 ) fréquence de chatons porteurs du coryza = 25/145 = ≅17.2%
2) Intervalle = [ 0.172 - 1 /√145 ; 0.172 + 1 / √145 ]
= [ ≅ 0.09 ; ≅0.26]
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116/632 ≅ 0.184
IC = [ ≅ 0.184 - 1 / √632 ; 0.184 + 1 /√632 ]
= [ ≅0.144 ; ≅0.223]
encadrement [ ≅ 91 ; ≅141 ]
1 ) fréquence de chatons porteurs du coryza = 25/145 = ≅17.2%
2) Intervalle = [ 0.172 - 1 /√145 ; 0.172 + 1 / √145 ]
= [ ≅ 0.09 ; ≅0.26]