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Probability and Combinations
供稿人: James

In which colored space is the arrow least likely to land?

Dan will spin the arrow shown below many times.

 green

 blue

 red

 yellow

How many times should Holly expect to get tails

when she flips the penny?

Holly will flip a penny 100 times.

 50 out of 100

 25 out of 100

 75 out of 100

 90 out of 100

Omar has four toy cars in a bucket. The cars are the

same size and shape. The colors of the cars are shown

 below.

 

         1 red 1 orange 1 green 1 yellow

 

If Omar picks 2 cars at one time from the bucket

without looking, how many different combinations

of cars are possible?

 8

 4

 6
16

Derick wants a bicycle. The kinds and colors of bicycle

he will choose from are shown in the chart below.

How many different combinations of 1 kind of bicycle

and 1 color are possible?

 2

 3

 5

 6

Aiden is making a sandwich. He has 2 types of cheese

and 4 types of meat to choose from.

 

Which number sentence shows how to find the total

number of combinations of 1 type of cheese and 1 type

of meat that Aiden can choose?

2 + 4 + 2 + 4 = 12

2 × 4 × 2 × 4 = 64

2 + 4 = 6

2 × 4 = 8

Carla had to put together care packages at her school.

The table shows groups of items that she could put in

each care package. She had to put one item from each

group in every care package.

 

Which expression should Carla use to find the total

possible number of different combinations of care

packages?

4 + 2 + 3

4 × 2 × 3

4 × 3

4 + 2 + 3 × 3

There are 10 red chips and 5 blue chips in a bag.

What are the chances of picking a blue chip if you reach

into the bag and pick one without looking?

 5 out of 15

 10 out of 15

 5 out of 10

 5 out of 15

Shane cut fruit to make a fruit salad. The table below

shows the number of pieces of different kinds of fruit

he put into a bowl.

Shane pulls out 1 piece of fruit without looking.

If the pieces of fruit are all the same size, which type

of fruit is Shane least likely to pull out?

 apple

 banana

 orange

 strawberry

Amanda is wrapping gifts. The kinds of wrapping paper

and bows she can use are shown below.

How many different ways can

Amanda choose 1 kind of wrapping

paper and 1 kind of bow?

2

3

6

8

Matthew’s dentist gives his patients toothbrushes and

dental floss at each visit. The toothbrush colors are

blue, green and red. The dental floss choices are mint,

cinnamon, and strawberry.

 

How many different combinations can Matthew choose?

 9

 6

 3

 12

Shannon wants to decorate her folder with stickers.

She decided to choose 1 animal, 1 flower, and 1 heart

from each of the sticker groups shown below.

What is the total number of different combinations

of 1 animal, 1 flower, and 1 heart that Shannon can

 choose?

 8

 9

 11

 18

A bag contains 8 red, 1 white, and 3 blue marbles.

 

What is the chance of choosing a green marble out

of the bag?

 certain

 impossible

 unlikely

 likely

Tomeka is getting dressed. She can choose from the

clothes shown below.

How many different outfits of one shirt and one skirt 

can Tomeka make?

 2

 6

 4

 16

David put 7 pieces of gum in a bag, as shown below.

               Which flavor of gum will David most likely

               pull out of the bag?

berry

melon

mint

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