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mathematics UK Year 9 Mathematics (KS3)
 
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Mutually exclusive outcomes

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Example 1.

Ten cards are numbered from 1 to 10. If one card is picked at random, what is the probability that the number on the card is even or odd?
the problem is without solution steps    
Example 2.

Pat rolls a 6-sided die numbered 1 to 6.




What is the probability that Pat rolls a 3?
the problem is without solution steps    
3.

Cathy rolls a 6-sided die numbered 1 to 6.




What is the probability that Cathy rolls an even or odd number?
the problem is without solution steps    
4.

Joe randomly picks a card from 4 cards numbered 1 to 4. What is the probability that Joe picks a card that is numbered 4 or less than 2?
the problem is without solution steps    
5.

George spins the spinner once.




What is the probability that George spins a 3 or 4?
the problem is without solution steps    
6.

Harry rolls a 6-sided die numbered 1 to 6. What is the probability that Harry rolls a number greater than 2 or less than 3?
the problem is without solution steps    
7.

The probability that it will not rain tomorrow is . What is the probability that it rains tomorrow?
the problem is without solution steps    
8.

The probability that Tom passes an exam is , what is the probability that he fails the exam?
the problem is without solution steps    

9.

Leo flips a coin. What is the probability that he flips a head or tail?
the problem is without solution steps    
10.

The probability that a shooter will hit the target is equal to . How many times can we expect him to successfully hit his target if he has possible shots?

    
11.

The probability that a passenger train will arrive early on a platform is equal to . Calculate how many times in the next four weeks he is expected to arrive early on the platform if the train runs every day, even on weekends and holidays.