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Worksheetsclassic probability
Total questions: 30
Worksheet time: 1hrs 20mins
The number of sample space when rolling two dice simultaneously.
A. 16
B. 36
C. 26
D. 46
"Getting an even number when rolling a die" is an example of _______.
A. Experiment
B. Event
C. Sample Space
D. Sample Point
It is the process of making an observation that leads to a well-defined result called outcome.
A. Event
B. Sample Space
C. Sample Point
D. Experiment
Choosing a month from a year, what is the probability of selecting a month with 31 days?
A. 1/12
B. 3/12
C. 5/12
D. 7/12
Grade 8-Mathenik of a certain junior high school has 32 students, 22 are girls and 10 are boys. What is the probability of choosing a girl randomly to recite in their English class?
A. 5/16
B. 11/16
C. 10/32
D. 20/32
If there are 6 red pens and 4 black pens in a box, what is the probability of getting a red pen if one will be picked at random?
A. 1/5
B. 2/5
C. 3/5
D. 4/5
What is the probability of getting an Ace from a standard deck of playing cards?
A. 1/13
B. 4/13
C. 1/52
D. 2/52
When a single die is rolled, what is the probability of getting a number less than 7?
A. 0
B. 1/4
C. 1/2
D. 1
If a letter is chosen at random from the word PERSEVERANCE, what is the probability that the letter chosen is E?
A. 1/12
B. 3/12
C. 1/3
D. 3/4
A box contains 7 red marbles, 2 orange marbles, 4 yellow marbles, 4 green marbles and 3 blue marbles. What is the probability of drawing out an orange marble?
A. 1/10
B. 2/10
C. 3/20
D. 1/20
A spinner is divided equally and numbered as follows: 1,2,2,3,3,4,1,1,2,4,1,2,3,4,1,2. What is the probability that the pointer will stop at an even prime number?
A. 2/16
B. 3/16
C. 4/16
D. 5/16
A cereal company puts a colored ring in each box of cereal. There are 6 different ring colors. The colors of the rings in each of 50 cereal boxes are shown in the table. What is the probability that the next cereal box will contain a blue OR a yellow ring?
52
53
32
Meghan was doing a science fair project by surveying her biology class. She found that of the 30 students in the class, 15 had brown hair and 17 had blue eyes and 5 had neither brown hair nor blue eyes. How many students have brown hair and blue eyes?
2
5
7
8
Henry has a fair number pyramid with four faces and a spinner with three equal-sized colored sections. What is the probability that the number pyramid will land on three AND the spinner will stop on blue?
123
124
127
5 green
6 yellow
8 blue
7 brown
What is the probability of flipping a coin
3 times and getting 3 heads?
1/8
1/4
1/2
3/4
Kaylee has 1 red, 3 blue, 2 brown, 5 black, 1 purple, and 4 pairs of pink flip-flops in her closet. Assuming she always replaces them, what is the probability that she will choose a blue pair on Monday and a pink pair on Tuesday?
3/8
4/75
3/64
15/32
*Remember to simplify.*
Possible results of an event
outcomes
compound event
simple event
probability
