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Exam (elaborations)

Graad 12 Wiskunde (WISK ) Kwartaal 3 Formele Toets en Memo - 2025

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Graad 12 Wiskunde Kwartaal 3 Formele Toets : Totaal:  50. Inhoud: Waarskynlikheid en Telbeginsels Finansiële Wiskunde Statistiek Hierdie is 'n oefenvraestel met memorandum bedoel om die leerling se kennis te toets, en sal nie dieselfde vraestel wees wat vir die eksamen geskryf word nie. CHR SMI

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Uploaded on
September 13, 2025
Number of pages
10
Written in
2025/2026
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Datum: SEPTEMBER 2025
Tyd: 1 UUR
Punte: 50
Graad: 12
Vak: WISKUNDE
Vraestel: KWARTAALTOETS 3


Naam en Van:



INLIGTING EN INSTRUKSIES AAN LEERDERS
1 Lees alle vrae noukeurig.
2 Beantwoord alle vrae.
3 Toon alle berekeninge en stappe. Antwoorde sonder bewerking kry geen meriete
nie.
4 Skryf netjies en leesbaar. Gebruik ’n blou of swart pen.
5 Gebruik ’n potlood vir grafieke, konstruksies en die spreidingsdiagram.



Onderwerpe in hierdie vraestel

• Waarskynlikheid en Telbeginsels
• Finansiële Wiskunde
• Statistiek




Bl 1/6 www.summariessa.co.za Opsteller: CHR SMI
Graad: 12 Vak: Wiskunde Datum: SEPT 2025

, Vraag 1: Waarskynlikheid & Telbeginsels (20 punte)




’n Matriekklas van 15 leerders moet besluit tussen drie sportaktiwiteite vir ’n
uitstappie: sokker, netbal, en krieket. Die resultate van ’n opname is soos volg:

Sportsoort Seuns Meisies Totaal

Sokker 4 3 7

Netbal 2 5 7

Krieket 3 3 6

Totaal 9 11 20



1.1 Bepaal die waarskynlikheid dat ’n leerder:
a) ’n seun is. (2)
b) ’n meisie is wat netbal speel. (2)
c) netbal speel of ’n seun is. (3)

1.2 Is die gebeurtenisse “seun” en “netbal” onderling uitsluitend? Motiveer. (2)

1.3 Is die gebeurtenisse “sokker” en “meisie” onafhanklik? Toon berekening. (4)

1.4 Die 20 leerders gaan in ’n ry staan vir ’n groepfoto.
a) Op hoeveel maniere kan hulle staan as daar geen beperkinge is nie? (2)

b) Op hoeveel maniere kan hulle staan as al die meisies bymekaar moet
staan? (2)

Bl 2/6 www.summariessa.co.za Opsteller: CHR SMI
Graad: 12 Vak: Wiskunde Datum: SEPT 2025

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