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Probability and Sample Space
供稿人: Schleper
(原作者: Mcmullen)

What is the probability of rolling an even number

on one die and an odd number on the other?

½

¾

 ¼

This  list represents Frank's cards.

What is the probability that Frank will
pull the Ace of Spades,
keep the card out of the deck
and then pull a red card?
 4/56

 4/64

5/8

1/2

I have two different rings, four

hats, and three jackets. How

many ways can I select a ring,

hat, and jacket to wear?

9

 24

1/24

 

12

 

Each spinner is spun one time. What

is the probability neither spinner will

land on blue?

1/12

3/10

1/2

11/12

If I spin each spinner one time, how many possible

outcomes are there?

 12

8

1/8

1/12

The table shows the results of spinning a spinner

with five equal sections fifty times. Based on these

results, what is the probability of spinning an

odd number?

 

 

1/4

 1/2

3/4

1/3

 

This spinner has equal sections, labeled A, B, C, D,

and E.   If I spin the spinner two times, what is the

probability it will land on A each time?

1/10
1/25
1/5
2/25
What is the probability
of picking a yellow
or a blue disc?

2/3

5/7

3/5

2/5

Susan has 4 colors of wrapping paper,

3 colors of ribbon, and 2 types of tape.

How many different ways does she have

to wrap a package with one color of

wrapping paper, one color of ribbon,

and one type of tape?

1
4
12
24


What is the probability of

selecting a blue marble from

the bag?

2/7

5/7

 10/49

7/7

Create a tree diagram for the following problem. An ice cream shop has vanilla and
chocolate ice cream, and chocolate and strawberry syrup.  You can also choose
between sprinkles or nuts. Make a tree diagram showing the outcomes.
Ice Cream Flavor     Syrup Flavor                Topping
vanilla











chocolate





chocolate





strawberry
nuts


sprinkles


sprinkles

nuts
Carol has four marbles in a bag. 
2 green, 1 red and 1 blue. 
If she pulls a marble out of the bag
80 times and returns it, how many times
should she get a red marble?
40
 20
1/4
1/3
 9/144
3/12
3/132
3/9
Sammy has the letters for the word
FRANKLINVILLE
written out on separate cards. 
If he pulls a card, returns it and pulls another,
what is the probability he will pull 2 L's?
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