Probability Quiz

Quiz
•
Mathematics
•
7th Grade
•
Hard
+7
Standards-aligned
Ndidi Okaro
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
definition of outcome
beginning of an event
middle of a situation
the result of an experiment
end of a process
Answer explanation
The correct definition of outcome is the result of an experiment, making it the most suitable choice among the options provided.
Tags
CCSS.RL.5.3
CCSS.RL.6.3
CCSS.RL.7.3
CCSS.RL.8.3
CCSS.RL.9-10.3
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
A number between 0 and 1 used to quantify __________ for processes that have uncertain outcomes (such as tossing a coin, selecting a person at random from a group of people, tossing ball at a target, or testing for a medical condition).
Answer explanation
A number between 0 and 1 used to quantify probability for processes that have uncertain outcomes.
Tags
CCSS.7.SP.C.5
3.
OPEN ENDED QUESTION
45 sec • 1 pt
Madison has 3 apples, 7 oranges, 5 pears, and 13 mangoes in a bag. How would you find the probability of Madison picking an orange? Explain using 2-3 sentences.
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Answer explanation
To find the probability of Madison picking an orange, divide the number of oranges (7) by the total number of fruits (3+7+5+13=28). So, the probability is 7/28 or 1/4.
Tags
CCSS.7.SP.C.7B
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Yves has a wheel with the colors red, green, blue, and purple. She wants the wheel 8 times. How many times can Yves expect to land on both red and green?
2
6
4
8
Answer explanation
Yves can expect to land on both red and green 4 times out of 8 spins since there are 4 colors and she wants the wheel 8 times, so 8/4 = 2 times for each color pair, resulting in 2 x 2 = 4 times for red and green.
Tags
CCSS.7.SP.C.6
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
There is a class of 18 students, 12 of them being girls. The principal wants to randomly select someone in the class to assist him in the new school event. What is the probability the principal will select a boy?
66%
8%
33%
75%
Answer explanation
The probability of selecting a boy is the number of boys divided by the total number of students, which is 6 boys out of 18 students, resulting in a 33% chance.
Tags
CCSS.7.SP.C.7B
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
experimental probability
experimental probability is the number of times the event actually occurs divided by the total number of trials in the experiment
experimental probability is always equal to 1 or zero
experimental probability is calculated using the theoretical outcomes in the experiment
experimental probability is not influenced by sample size unless they are greater than 20
Answer explanation
experimental probability is the number of times the event actually occurs divided by the total number of trials in the experiment
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
frequency
Frequency is the speed of sound divided by light
Frequency is the distance between two points
Frequency is the weight of an object
Frequency is the total number of times an event occurs
Answer explanation
Frequency is the total number of times an event occurs
Tags
CCSS.6.SP.B.5A
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