Homework 17 2/27-3/4

 1.        

certain event has a probability of ________.

  1. 1
  2. 2
  3. 100
  4. 0



2.        

What is the probability of an impossible event?

  1. 1
  2. 2
  3. 10
  4. 0



3.        

If an event is more likely to occur, its probability is closer to ____________.

  1. 1
  2. 2
  3. 100
  4. 0



4.        

As an event becomes less likely to occur, what happens to its probability?

  1. It is zero.
  2. It becomes closer to zero.
  3. It becomes closer to one.
  4. It is one.



5.        

If a standard game cube is rolled, what is the probability that the cube will land on a 3?

  1. 0
  2. 1



6.        

If a standard game cube is rolled, what is the probability that the cube will land on a 7?

  1. 1
  2. 0



7.        

When rolling a standard game cube, what is the probability of rolling an even number?

  1.  



8.        

If Sue rolled a standard game cube, what is the probability that she will roll a 4 or a 5?



9.        

If the chance of snow today is 40%, what is the chance of having no snow?
  1. 10%
  2. 40%
  3. 60%
  4. 100%



10.        

There are 52 cards in a standard deck. What is the probability that Joe chooses a KING at random?

  1. 1



11.        

How many possible outcomes can occur when rolling a standard game cube?

  1. 1
  2. 6
  3. 3
  4. 9



12.        

What is the sample space when rolling a standard game cube?

  1. {1,2,3,4}
  2. {1,2,3}
  3. {1,2,3,4,5}
  4. {1,2,3,4,5,6}



13.        

Which sample space contains no elements?

  1. {1,2,3}
  2. {A,B,C}
  3. { }
  4. {0}



14.        

Which of the following is the sample space for the prime numbers less than 20?

  1. {1,2,3,5,7,11,13,17,19}
  2. {2,3,5,7,11,13,17,19}
  3. {2,3,5,7,12,15,19,}
  4. {3,5,7,9,11,13,17,19}



15.        

What is the sample space for the set of even prime numbers?

  1. {1}
  2. {2}
  3. {4}
  4. {0}



16.        

Which describes the sample space for odd numbers between 20 and 26?

  1. {20,22,24,26}
  2. {21,23,24}
  3. {20,21,23,24,25}
  4. {21,23,25}



17.        

How many elements are in the sample space {1,2,5,6,8}?

  1. 5
  2. 2
  3. 3
  4. 4



18.        

How many elements are in this sample space: {a,b,d,f,g,i}?

  1. 7
  2. 6
  3. 5
  4. 4



19.        

Which sample space represents the factors of 8?

  1. {1,8}
  2. {1,2,4,8}
  3. {2,4,8}
  4. {8,16,24}



20.        

Which sample space represents the factors of 12?

  1. {1,2,4,6,12}
  2. {1,2,3,8,12}
  3. {1,2,3,4,6,12}
  4. {1,3,4,6,12,24}



21.        

Choose one letter at random from the word “MATH.” How many possible outcomes are there?

  1. 1
  2. 8
  3. 12
  4. 4



22.        

image  There are 6 teams playing in a hockey tournament. If each team plays each other once, what is the total amount of games played during the tournament?
  1. 12
  2. 36
  3. 16
  4. 15



23.        

Mrs. Conley put 24 marbles in a bag. There were six red marbles, four green marbles, eight yellow marbles, and six blue marbles. If she picks one marble from the bag, what is the probability that she will pick a color other than red?



24.        

During the 5-day school week, Lala buys a lunch 4 days and brings her lunch 1 day a week. What is the probability that she will buy her lunch on Friday?

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