Practice Page
Directions: Read carefully. Remember that a sample space, a tree diagram or a Venn diagram may be helpful.

1.
From a standard deck of cards, one card is drawn. What is the probability that the card is black and a jack?
Choose:
 
1/2
 
1/13
 
1/26
 
1/52
cardsJ  

 

 

2.
A die is rolled. What is the probability that the number rolled is greater than 2 and even?
die
Choose:
 
1/2
 
1/3
 
2/3
 
5/6

 

 

3.
A set of polygons contains a square, a rectangle, a rhombus, and a trapezoid. If one polygon is chosen at random, what is the probability that the polygon has all sides equal in length and all right angles?
Hint: A square and a rhombus have all sides equal in length. A square and a rectangle have all right angles.
polygons
Choose:
 
1/4
 
1/3
 
1/2
 
3/4

 

 

4.
A piggy-bank contains 2 quarters, 3 dimes, 4 nickels, and 5 pennies. One coin is removed at random. What is the probability that the coin is a dime or a nickel?
piggybank
Choose:
 
3/14
 
4/14
 
7/14
 
1/7

 

 

5.
A bottle contains 3 red marbles, 5 blue marbles and 2 green marbles. If a single marble is drawn from the bottle at random, what is the probability that the marble is green or blue?
marblebottle
Choose:
 
1/2
 
1/5
 
3/5
 
7/10

 

 

6.
A standard deck of cards is shuffled and one card is drawn. Find the probability that the card is red or a jack.
deck
Choose:
 
7/52
 
1/13
 
7/13
 
1/26

 

 

7.
A bag contains 18 coins numbered from 1 to 18. Karen bets that the next coin drawn at random from the bag will be even. Cubby bets that the next coin drawn will be from the set of numbers {4, 5, 7, 10}. What is the probability that the next coin drawn will be even or from the set {4, 5, 7, 10}?
coins
Choose:
 
4/18
9/18
11/18
13/18

 

 

8.
In a Math Honors class of 30 students, 16 are boys and 14 are girls. On the final exam, 7 boys and 8 girls received an "A" score. If a student is chosen at random from this class, what is the probability of choosing a girl or a student that received an "A" score?
girlA
Choose:
 
21/30
29/30
 
15/30
24/30

 

 

9.
A spinner is divided into 8 congruent sectors. Set A = landing on a prime number.
Set B = landing on a multiple of 3.
When the spinner is spun one time, what is the P(AB)C ?
spinner8
Choose:
 
1/8
5/8
6/8
7/8

 

 

10.
A card is chosen at random from a standard deck of 52 playing cards. There are 4 Kings and 4 Aces in a deck of standard playing cards. What is the probability that a card chosen at random from a deck of cards is a King or an Ace?
Choose:
1/13
2/13 1/52 4/13
kingace

 

 

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