Tools and Techniques (Grade 12 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which tool is ideal for sequential events where outcomes depend on previous results?
Which tool is ideal for sequential events where outcomes depend on previous results?
Tree diagrams
What is the critical construction rule for Venn diagrams to avoid calculation errors?
What is the critical construction rule for Venn diagrams to avoid calculation errors?
Work from centre intersection outward
In a tree diagram, what must the probabilities of all branches leaving a node sum to?
In a tree diagram, what must the probabilities of all branches leaving a node sum to?
1
Which formula is the definitive test for independence between events and ?
Which formula is the definitive test for independence between events and ?
What is the correct formula for the union of two events in a Venn diagram?
What is the correct formula for the union of two events in a Venn diagram?
How do you calculate the probability of a complete sequence in a tree diagram?
How do you calculate the probability of a complete sequence in a tree diagram?
Multiply probabilities along the path
What appears at the edges of a two-way contingency table?
What appears at the edges of a two-way contingency table?
Marginal totals
What is the formula for the complement of event ?
What is the formula for the complement of event ?
Which tool is especially powerful for testing independence between categorical variables?
Which tool is especially powerful for testing independence between categorical variables?
Two-way contingency tables
In a Venn diagram, what represents the sample space containing all possible outcomes?
In a Venn diagram, what represents the sample space containing all possible outcomes?
The outer boundary