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Question 5
Die sirkeldiagram hieronder toon die totale herwinning en komposbereiding van materiaal vir 2015. TOTALE HERWINNING EN KOMPOSBEREDING VAN MATERIAALTYPES VIR 2015 (9... show full transcript
Step 1
Step 2
Answer
Die totale hoeveelheid materiaal is 91,16 miljoen ton. Die werfsoniels maak 3,4 ext{ %} van die totale hoeveelheid uit. Om die persentasie te bereken, gebruik ons die formule:
ext{Persentasie} = rac{ ext{hoeveelheid werfsoniels}}{ ext{totale hoeveelheid}} imes 100
Daarom is: rac{3.4}{91.16} imes 100 = 3.73 ext{ %}
Step 3
Answer
Vir tekstiele is die persentasie 11,2 ext{ %}. Dit kan bereken word deur die berekening van die spesifieke hoeveelheid tekstiele teen die totale hoeveelheid te plaas, wat soos volg is:
ext{Persentasie} = rac{11.2}{91.16} imes 100 = 12.27 ext{ %}
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Step 7
Answer
Die waarskynlikheid om 'n item uit die 'ander' kategorie te kies is:
ext{Waarskynlikheid} = rac{ ext{Aantal in 'ander' kategorie}}{ ext{Totale aantal materiaal}} = rac{11.2}{91.16} = 0.123
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