Percentage, Probability, and Chance
When we study probability with percentage, the percentage amount can only go from 0% - 100%.
- 0% means it is an impossible event and will not happen
- 100% means it is a certain event and will always happen
How to find the percent
Finding the percent of something can be easy if you know the formula you need to use.
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How percent and probability work together
Understanding how to find the percent of something directly relates to finding the probability of something happening. It uses the same formula as above, just with different numbers.
Pie Chart
- What is the probability that, if I spun the pie chart like a spinner, I would land on green?
- What is the probability that, if I spun the pie chart like a spinner, I would land on purple or blue?
Marbles
Questions
- What is the percentage probability of pulling out a yellow marble?
- What is the percentage probability of pulling out a red marble?
- What is the percentage probability of pulling out a red or green marble?
- What is the percentage probability of pulling out a blue marble?
- What is the percentage probability of pulling out a red, green, or yellow marble?
- For questions 4 and 5, what are those unique percentages called?