This lesson introduces students to probability.
• To be able to explain what probabilities are.
To be able to identify probabilities and express them in terms of fractions.
Probability refers to the likelihood of an event occurring or what the chances are that something will happen. When considering whether it is likely that it will rain tomorrow, if there is a fifty fifty chance, then we can express the probability of it raining tomorrow in terms of:
? Fractions: the likelihood of it raining is: ?
? Ratios: 50:50
? Percents: 50%