7th Grade- Theoretical and Experimental Probability

Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
+2
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15 questions
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1.
FLASHCARD QUESTION
Front
What is theoretical probability?
Back
Theoretical probability is the likelihood of an event happening based on all possible outcomes, calculated using the formula: P(Event) = Number of favorable outcomes / Total number of outcomes.
Tags
CCSS.7.SP.C.7A
2.
FLASHCARD QUESTION
Front
What is experimental probability?
Back
Experimental probability is the likelihood of an event happening based on actual experiments or trials, calculated using the formula: P(Event) = Number of times the event occurs / Total number of trials.
3.
FLASHCARD QUESTION
Front
How do you calculate the probability of picking a number divisible by 5 from 1 to 20?
Back
The numbers divisible by 5 from 1 to 20 are 5, 10, 15, and 20. There are 4 favorable outcomes out of 20 total outcomes, so the probability is 4/20 or 1/5.
Tags
CCSS.7.SP.C.7B
4.
FLASHCARD QUESTION
Front
If 25 out of 30 students prefer pizza, how do you predict the number of students in a larger group?
Back
To predict, use the ratio of students who prefer pizza (25/30) and apply it to the larger group. For 1200 students: (25/30) * 1200 = 1000 students.
Tags
CCSS.7.RP.A.3
5.
FLASHCARD QUESTION
Front
What is the formula for calculating probability?
Back
The formula for probability is P(Event) = Number of favorable outcomes / Total number of outcomes.
Tags
CCSS.7.SP.C.7A
6.
FLASHCARD QUESTION
Front
What is a bar graph used for in probability experiments?
Back
A bar graph visually represents the frequency of outcomes in an experiment, making it easier to compare experimental probabilities.
7.
FLASHCARD QUESTION
Front
How do you find the experimental probability of landing on a specific outcome from a spinner?
Back
Count the number of times the specific outcome occurs and divide it by the total number of spins. For example, if landing on 4 occurred 30 times out of 200 spins, the experimental probability is 30/200.
Tags
CCSS.7.SP.C.6
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