A random variable that can take only a certain specified set of individual possible values-for example, the positive integers 1, 2, 3, . . . For example, stock prices are discrete random variables, ...

Explain why probability is important to statistics and data science. See the relationship between conditional and independent events in a statistical experiment. Calculate the expectation and variance ...

This unit introduces the basic ideas and methods of Probability. Some familiarity with calculus is needed. Probability is an everyday concept of which most people have only a vague intuitive ...