Probability is the foundation of everything we do in Statistics. There are two types of probability: discrete and continuous. Discrete probability is when there are distinct probabilities for different values (represented by bars), while continuous probability is where the probabilities change smoothly with the value (represented by a smooth curve). This is better described by images. These are two types of probability models and are therefor treated different. Discrete Probabilities of Dice Rolls. Continuous Probability Distribution of Pounds of Waste Produced. We have what is called Probability Models. Probability models have a sample space (denoted by an S). Probabilities are assigned to sample points in sample space. For the continuous Standard Normal Distribution, the x axis is the sample point and the y axis (denoted P(E)) is the probability axis. In the graphs above, the values we want to get a probability for is on th...
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