Combined Events (Junior Cert Mathematics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the term for calculating probability of more than one thing happening?
What is the term for calculating probability of more than one thing happening?
Combined events
What do you do to probabilities when both events must happen (AND rule)?
What do you do to probabilities when both events must happen (AND rule)?
Multiply them
What do you do to probabilities when either event can happen (OR rule)?
What do you do to probabilities when either event can happen (OR rule)?
Add them
Why do we multiply probabilities for AND events?
Why do we multiply probabilities for AND events?
Both events needed, chance becomes smaller
Why do we add probabilities for OR events?
Why do we add probabilities for OR events?
Gives total chance of either occurring
What is the probability of flipping heads on a coin?
What is the probability of flipping heads on a coin?
What is the probability of rolling a 6 on a die?
What is the probability of rolling a 6 on a die?
What is equal to?
What is equal to?
Which rule do you use to find the chance of heads AND rolling a 6?
Which rule do you use to find the chance of heads AND rolling a 6?
AND rule (multiply)
What is as a percentage (rounded)?
What is as a percentage (rounded)?
8.3%