Rock, paper, scissors
In 31 tries, Eli beat Janine 11 times. What is the probability that Janine won?
The probability that Janine won is 20⁄31. It can also be expressed as 0.65 or 65%. To find the probability, it is events over outcomes. The number of events to happen is 20 since Janine won 20 times. The total number of possible outcomes is 31 since they had 31 tries.
Finding The Probability
Probability tells the chance of an event to happen. It shows the likelihood of an event to occur. It can be written in three ways: fraction, decimal and percent. Remember to always simplify the fraction, if possible. The formula to find the probability is the one below:
Probability = number of events to happen / total number of possible outcomes
Examples of Problems Involving Probability:
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