WorksheetsProbability Math
Total questions: 20
Worksheet time: 20mins
Which event is closest to being fair?
Event A
Event B
Event C
Event D
If you spin the spinner, what is the probability it will stop on a multiple of 5?
1/10
1/5
1/4
1/2
On a spinner, there are twenty equal-size sections numbered from 1 to 20. Which spinner game is fair?
If you spin more than 20, you win.
If you spin a number greater than 10, you win.
If you spin a multiple of 3, you win.
If you spin a number greater than 4, you win.
If you drew a marble from a bag containing 32 marbles and you had a 1/4 probability of drawing a red marble, how many red marbles are in the bag?
2
4
8
16
If a bag contains 3 red marbles, 2 blue marbles, and 5 green marbles, what is the probability of picking a blue marble?
51
52
102
103
What is the probability of rolling a number greater than 4 on a standard six-sided die?
31
21
32
61
Which arrow indicates the probability of choosing a blue marble from a bag of five red marbles and fifteen blue marbles?
Arrow A
Arrow B
Arrow C
Arrow D
In a pile of playing cards, there are six hearts, twelve clubs, and six diamonds. What is the probability that you will draw a heart?
1/6
1/4
1/3
1/2
Here is a tree diagram showing the sample space for two independent events. What is the probability of getting C and an odd number?
1/12
1/6
1/4
1/3
If the two spinners below are spun once each, what is the probability that you will spin a total of 8?
1/16
1/4
3/16
5/16
Annalee has two spinners. She will spin both at the same time. What are all the possible outcomes for this double spin?
Purple, Pink
Purple, Blue
Red, Pink
Red, Blue
Green, Orange
Green, Blue
Purple, Orange
Purple, Pink
Purple, Blue
Red, Orange
Red, Pink
Red, Blue
Green, Orange
Green, Pink,
Green, Blue
Purple, Orange
Purple, Pink
Red, Orange
Red, Blue
Green, Orange
Green, Blue
Purple, Purple
Purple, Pink
Purple, Blue
Red, Red
Red, Pink
Red, Blue
Green, Green
Green, Pink
Green, Blue
Based on the tree diagram, what is the probability of choosing a combination with a chicken sandwich?
1/3
4/12
2/12
2/4
Which shows the sample space for flipping two coins?
H = heads, T = tails
H, T
HH, HT, TH, TT
HH, TT
HH, TT, TT, HH
Brad will randomly select one block from each bag. Which list shows all of the possible combinations of one block from each bag?
Blue, Purple
Green, White
Orange, Purple
Red, White
Yellow, Purple
Blue, Purple
Blue, White
Green, Purple
Green, White
Orange, Purple
Orange, White
Red, Purple
Red, White
Yellow, White
Blue, Purple
Blue, White
Green, Purple
Green, White
Orange, Purple
Red, White
Yellow, Purple
Blue, Purple
Blue, Blue
Green, White
Green, Green
Orange, Purple
Orange, Orange
Red, White
Red, Red
Yellow, Purple
Yellow, Yellow
42
62
51
61
Francis made the following chart showing the lunch choices available on a field trip.
Based on the information in the chart, which tree diagram shows all of Francis' possible combinations?
Based on the tree diagram, what is the probability of eating a salad with juice?
6/12
1/2
3/12
1/4
The table shows the results of 18 spins Jules made with a spinner. Based on these results, what is the probability that Jules’s spinner will land on the apple on his next spin?
2/9
1/4
2/7
1/3
Marcie has 11 letter cards that spell the word MISSISSIPPI when put together. If she picks 1 card without looking, what is the probability that it will have the letter S on it?
4/7
3/7
4/11
7/11
Tanya is on a camping trip. She has 4 shirts and 3 pairs of shorts in her pack:SHIRTS: tan, red, green, and blackSHORTS: tan, red, and blackShe must get dressed in the dark and can’t see the colors. If she randomly selects oneshirt and one pair of shorts, what is the probability her outfit will include black shorts?
71
72
123
124
