Practice Page
Uncertainty


Answer each of the questions below.

 

1.  Alyssa puts these blocks into a bag:

                                                      

Alyssa shakes the bag and without looking, she chooses one block from the bag.
What is the probability she will pick a yellow block?

 

Which color block is she least likely to choose?

 

 

2.  Carter spins the spinner below:

Which shape is he likely to spin?

 

 

4.  Mary puts a standard deck of 52 cards in a bag. She shakes the bag and without looking, she chooses one card.
What is the probability she will pick a 4 of hearts?    

 

5.  Tom shuffles a standard deck of 52 cards. He picks a card without looking. 

What is the probability he will pick a black card?           

 

 

 

6. Morgan puts 1 quarter, 2 dimes, 3 nickels, and 4 pennies in her piggy bank. At random she picks out a coin.                           
What is the probability of picking  a dime?  
              

 

 

Remember: Probability = number of favorable outcomes
    number of possible outcomes

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