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Conditional probability in a Venn diagram

Quiz by Oak National Academy: GCSE Maths Higher (2)

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6 questions
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  • Q1
    Event A is ______ of event B if the probability of event A occurring is not affected by whether or not event B occurs.
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    30s
  • Q2
    Select the example of events which are not independent.
    Taking a counter at random from a box, replacing it and then taking another
    Rolling a die and then flipping a coin
    Taking a counter at random from a box, keeping it and then taking another
    Flipping three coins together
    Rolling two dice together
    30s
  • Q3
    The table shows the types of marble in a bag. Match each event to its probability.
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    Linking
    30s
  • Q4
    A marble is taken at random from a box of marbles. Alex works out that P(swirl given it is blue) = P(swirl). This shows the event 'has a swirl' is __________ of the event 'blue marble'.
    mutually exclusive
    independent
    conditional
    exhaustive
    30s
  • Q5
    A 10-sided die with integers from 1 to 10 written on it is rolled once. Select the pair of mutually exclusive events.
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    Sorting
    30s
  • Q6
    A deck of cards has a number on it (either prime or non-prime), and a symbol (a circle, square, or wave). A card is selected at random from the deck. Find P(non-prime | wave).
    Question Image
    7\over25
    7\over56
    18\over56
    7\over18
    25\over56
    30s

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