Practice Page
Directions: Read carefully.

1.
You have four aces removed from a deck of cards, and you have one penny.
a) How many elements are in the sample space of drawing one card and tossing the penny?
Choose:
2
4 8 16

b) What is the probability of getting heads on the penny and drawing the ace of hearts?
Choose:
1/2
1/4 1/8 1/16
treecardpenny

 

 

2.
You are a contestant on the TV show called "Chance Choice". The host asks you to pick a door, and then to pick a curtain behind the door. There are three doors and four curtains behind each door.

treePriceRight

a) How many options are possible from which to choose?
Choose:
6
12 24 36

b) There are two winning options: "Door 1 Curtain b" and Door 3 Curtain d". What is the probability of choosing a winning option?
Choose:
1/3
1/4 1/6 1/12

 

 

3.
From the forest ranger's station there are three trails to Camp A. There are then three trails from Camp A to Camp B.
a) How many different routes are there from the ranger's station to Camp B?
Choose:
3
6 9 12

b) Three of the routes to Camp B have small bridges over water. What is the probability of choosing a route that has a bridge?
Choose:
1/2
1/3 1/4 1/6
treerangetower

 

 

4.
Ari is buying a new car. He wants either a convertible or a SUV. Both vehicles are available in red, black or gray, with either automatic or standard transmissions.
Draw a tree diagram of all possible choices of vehicles available.
suv             redcar

 

 

5.
The spinner shown below has four equally likely regions numbered 1 to 4. The arrow is spun twice.
a) What is the probability that the spinner will land on 1 on the first spin and on a red region on the second spin?
Choose:
1/2
1/4
1/6
1/8
spinner
b) What is the probability that the spinner will land on 1 on the first spin and on 4 on the second spin?
Choose:
1/4
1/8
1/12
1/16

 

 

6.
A bottle contains three gum balls (blue, red, green). What is the probability of picking the green gum ball, chewing it, and then picking a blue gum ball from the remaining two?
Choose:
1/3
1/6 1/9 1/12

bottleYellowTop

 

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