
Probability practice questions
Quiz
•
Mathematics
•
7th Grade
•
Medium
+2
Standards-aligned
Brad Gust
Used 2+ times
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9 questions
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1.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Select all of the events that are likely.
There is a 30% chance of snow tomorrow.
There is a 7 out of 8 chance you will win a prize.
There is a 50% chance that a coin will land on heads.
There are 3 ways out of 4 to win.
There is an 8/12 chance that the name of a month will have an "r"
Tags
CCSS.7.SP.C.5
2.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
In class, Mr. Scott calls students to answer questions. The probabilities that given students will be selected are: ● P(Jim) = 0.65 ● P(Pam) = 0.02 ● P(Dwight) = 0.06 ● P(Creed) = 0.27 Which statements are true?
It is very likely that Creed will be chosen.
The least likely person to be chosen is Dwight.
Dwight is four times as likely to be chosen as Pam.
The most likely person to be chosen is Jim.
It is unlikely that Pam will be chosen.
Tags
CCSS.7.SP.C.5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Kelly bought a “trick” coin that lands on tails with a probability of 0.8. Which frequency table would Kelly most likely generate by flipping the coin many times?
Heads - 12; Tails - 36
Heads - 6; Tails - 24
Heads - 10; Tails - 32
Heads - 8; Tails - 40
Tags
CCSS.7.SP.C.6
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
This table shows outcomes of a spinner with 3 equal sections colored red, white, and blue.
Red - 40; White - 24; Blue - 36
Based on the outcomes, which number is the best prediction for the number of times the arrow is expected to land on the blue section if it is spun 25 times?
10
9
16
12
Tags
CCSS.7.SP.C.6
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A photographer checked 100 photos he took and found that 12 of them were blurry. What is the experimental probability of the photos NOT being blurry?
12%
0.88
6/50
24%
Tags
CCSS.7.SP.C.6
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The probability that the cafeteria has green beans for lunch is 4/6 , and that ice cream is available is 1/2. Stanley wants to know the probability that both green beans and ice cream are available. He conducts a simulation by rolling a die and flipping a coin, where rolling a 1, 2, 3, or 4 on the die represents green beans being available and flipping tails (T) on the coin represents ice cream being available. The results of 15 trials of the simulation are listed below.
2H 5T 4H 3T 6T 1T 2H 4H 4T 6H 4T 2H 6T 3H 2T
Based on the results of this simulation, what is the probability that both green beans and ice cream are available for lunch?
2/5
1/3
7/15
2/3
Tags
CCSS.7.SP.C.8C
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Of the 24 students in Gabe's class, 6 like math the most, 9 like ELA, 5 like science and 4 like social studies. Gabe created a spinner that represents the breakdown of the students' favorite subjects. He spun the spinner 25 times and recorded the results below.
Math - 4; ELA - 8; Science - 10; Social Studies - 3
What is the experimental probability of the spinner landing on science?
1/3
5/12
2/5
3/8
Tags
CCSS.7.SP.C.6
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