In Exercises 69 to 72, determine whether the given random variable has a binomial distribution. Justify your answer. Long or short? Put the names of all the students in your class in a hat. Mix them up, and draw four names without looking. Let Y = the number whose last names have more than six letters.

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...