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Experiments to determine how likely an outcome is

Quiz by Oak National Academy: KS3 Maths (2)

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6 questions
Show answers
  • Q1
    __________ is a repetition of a trial multiple times in order to observe how often each outcome occurs.
    An experiment
    A sample space
    An event
    30s
  • Q2
    The __________ an experiment contains, the more confident you can be about any conclusions made based on its results.
    more possible outcomes
    fewer trials
    more trials
    30s
  • Q3
    During an experiment, a toy brick is dropped 100 times and its landing position is noted. Based on the results in the bar chart, which way is the brick least likely to land when it is dropped?
    Question Image
    A - with connectors up
    B - with connectors down
    C - on one of its long faces
    D - on one of its short faces
    30s
  • Q4
    Sofia is planning experiment involving dropping slices of buttered toast to see which way around it is most likely to land. Which number of trials would produce the most reliable conclusion?
    10
    50
    2
    100
    1
    30s
  • Q5
    Jacob conducts an experiment where he flips a coin 10 times to check whether landing 'heads' is equally likely as landing 'tails'. How could this experiment be improved?
    use a fewer number of trials
    the experiment can not be improved
    use a greater number of trials
    asking someone else to flip the coin
    30s
  • Q6
    Jacob flips a coin 10 times. It lands 'heads' 3 times and 'tails' 7 times. Which statement is true?
    The coin is definitely not biased because results can differ due to chance.
    You cannot reliably conclude whether the coin is biased based on so few trials.
    The coin is definitely biased because it landed on tails more than heads.
    30s

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