Identifying Probability Distributions. In Exercises 714, determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. Fun Ways to Flirt A sociologist randomly selects single adults for different groups of four, and the random variable x is the number in the groupwho say that the most fun way to flirt is in person (based on a Microsoft Instant Messaging survey).x P(x)0 0.0411 0.2002 0.3673 0.2994 0.092

Lecture 6: Random Variables 8.1 Random Variables - Definition: A random variable assigns a number to each outcome of a random circumstance, or, equivalently, a random variable assigns a number to each unit in a population. - Two broad classes of random variables: discrete random variables and continuous random...