What is probability?
Probability tells us how likely something is to happen based on the frequency of it happening in the past.
P(1) =P(2) = … =P(6) = 1/6
If I throw the dice, I cannot predict which number will come up. However, if I throw the dice many times and check the number each time, I will see that each number comes approximately the same number of times (if the dice has not been tampered with). So, each of the 6 numbers comes up in about 𝟏/𝟔 of the cases – this is the probability (how likely it is) to come up.
Probability of a specific outcome = (number of times outcome)/ (number of times occurrence)
Probability is always between 0 and 1. It can be represented as a fraction, as a decimal number, or as a percentage (from 0% to 100%).
| Image: Probability line |
Next, you are going to learn about events.
When you’re ready, select Next to continue.
In this Course, you will find out about the basics of calculating the likelihood of different types of events.
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