Practice Problems (Junior Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
When flipping coins, what does it mean that each flip is independent?
When flipping coins, what does it mean that each flip is independent?
One flip doesn't affect the other
What is the probability of getting heads on both coins when you flip two coins?
What is the probability of getting heads on both coins when you flip two coins?
What is the probability of getting at least one head when flipping two coins?
What is the probability of getting at least one head when flipping two coins?
What is the probability of rolling a on both rolls of a die rolled twice?
What is the probability of rolling a on both rolls of a die rolled twice?
Which rule do you use to find the probability when you want both events to happen?
Which rule do you use to find the probability when you want both events to happen?
'AND' rule - multiply probabilities
Which rule do you use when you want either one outcome or another to happen?
Which rule do you use when you want either one outcome or another to happen?
'OR' rule - add probabilities
What is P(two red marbles) from a bag with red and blue, with replacement?
What is P(two red marbles) from a bag with red and blue, with replacement?
With red and blue marbles, what is P(red then blue) with replacement?
With red and blue marbles, what is P(red then blue) with replacement?
What is P(rolling an even number and getting a head) for a die and coin?
What is P(rolling an even number and getting a head) for a die and coin?
What is the probability of drawing two aces in a row with replacement from cards?
What is the probability of drawing two aces in a row with replacement from cards?
What is P(red card then black card) with replacement from a -card deck?
What is P(red card then black card) with replacement from a -card deck?
What happens to probabilities when you pick a marble 'with replacement'?
What happens to probabilities when you pick a marble 'with replacement'?
Probabilities stay the same each time