# PROBABILITY: Question Preview (ID: 19665)

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You roll a dice. What is the probability of rolling anumber greater than 4? Give your answers as fractions. |
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a) 2/6 | b) 3/6 | c) non one | d) 4/6 | |

Calculate these probabilities. Give your answers as fractions. a A jar contains six green marbles and nine blue marbles.A marble is picked at random.What is the probability it will be green? |
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a) 4/15 | b) 6/15 | c) 9/15 | d) 15/15 | |

Clive is bored and is throwing rolled-up balls of paper at the recycling bin. He decides to fi nd the probability of a ball landing in the bin. He carries out an experiment. He has 20 throws. Five balls land in the bin. |
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a) 5% | b) 20% | c) 25% | d) non one | |

A scientist checks some trees to see whether they are infected with a disease. She checks 28 trees, and 5 of them are infected. Estimate the probability that a tree chosen at random has the disease. |
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a) 0,12 | b) 2 | c) 0.53 | d) 0.66 | |

The probability of a football team winning a game is 0.3. What is the probability that they will not win the game? |
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a) 1 | b) 4 | c) 0.7 | d) 0.3 | |

There is a 45% chance of snow tonight. What is the probability that it will not snow? |
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a) 100% | b) 30% | c) 45% | d) 55% | |

Sally puts tickets numbered 1–100 into a bag. She picks one out at random. Say which word from the list above you would use to describe each of the following events. a) The number is less than 90. |
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a) imposible | b) certain | c) Likely | d) An evens chance | |

Sally puts tickets numbered 1–100 into a bag. She picks one out at random. Say which word from the list above you would use to describe each of the following events. The number is 0. |
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a) Impossible | b) Certain | c) Unlikely | d) An evens chance | |

A die is rolled; find the probability of getting an odd number. |
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a) 3 | b) 0.5 | c) 5 | d) 6 | |

A die is rolled; find the probability of getting an even number |
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a) 0.5 | b) 3 | c) 6 | d) 5 | |

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