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Probability

 
  1) A card is drawn from a pack of playing cards. What is the probability that the card will be:  
    a) a ten
b) a Queen
c) not a ten
d) not a ten or a Queen
 
 
  2) Work out the probability of  
    a) getting a tail if a 10p coin is thrown
b) getting a 2 if a six side die is thrown
c) drawing any lottery number (there are 49 of them)
 
 
  3) A bag contains red, white and blue balls. If a ball is selected at random, the probability of red is 0.4 and blue 0.2.  
    a) what is the probability that it will be red or blue
b) what is the probability that it will be blue or white
 
 
  4) A bag contains 20 sweets. 12 blue, 3 red and 5 yellow.  
    a) what is the probability of taking a red sweet from the packet
b) what is the probability that the sweet taken will not be yellow
 
 
  5) If a die is rolled, what is the probability of the following scores:  
    a) 5
b) 1
c) 0
d) 7
 
 
  6) In a raffle 200 tickets are sold.  If you buy five tickets what is the probability that  
    a) you win first prize
b) you will not win first prize
 
 
  7) A die is thrown once. What is the probability of getting  

 

  a) an odd number
b) a square number
 
 
  8) Twenty discs, numbered from 1 to 20, are placed in a bag and one is drawn out at random. What is the probability of getting a disc with  
    a) a number greater than 12
b) a number including the digit 1
c) a number divisible by 3
 
 
  9) A letter is chosen at random from the word MANCHESTER. What is the probability that it is  
    a) an M
b) an E
 
 
    These questions are about the following numbers:
10, 13, 16, 17, 21, 25, 30, 36, 39, 64, 110, 121
What is the probability of drawing
 
  10) a number greater than 100  
  11) a number less than or equal to 25  
  12) a prime number  
  13) a number that is not a square number  
  14) a square number  
  15) a number less than or equal to 10  
       
You scored
     
Created by James Dawson, John Ruskin School 2002