Probability

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Probability?
Back
Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.
2.
FLASHCARD QUESTION
Front
What is Theoretical Probability?
Back
Theoretical Probability is what should happen in an ideal situation, calculated using the formula: P(Event) = Number of favorable outcomes / Total number of outcomes.
3.
FLASHCARD QUESTION
Front
How do you calculate the total number of outcomes when making choices?
Back
Multiply the number of options for each choice together. For example, if you have 4 ice cream flavors and 4 toppings, the total outcomes = 4 x 4 = 16.
4.
FLASHCARD QUESTION
Front
If a bag contains 5 quarters, 2 dimes, and 4 pennies, what is the probability of picking a quarter?
Back
The probability of picking a quarter is 5/11.
5.
FLASHCARD QUESTION
Front
What is the formula for calculating the probability of an event?
Back
P(Event) = Number of favorable outcomes / Total number of outcomes.
6.
FLASHCARD QUESTION
Front
How many outcomes are there when choosing 2 different colors from 4 options?
Back
There are 12 outcomes when choosing 2 different colors from 4 options (4 choose 2 = 6, and each can be combined with the other).
7.
FLASHCARD QUESTION
Front
What is an example of a real-life situation where probability is used?
Back
Probability is used in weather forecasting to predict the chance of rain.
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