a A meteorologist in Denver recorded Y = the number of days of rain during a 30-day period. Does Y have a binomial distribution? If so, are the values of both n and p given? b A market research firm has hired operators who conduct telephone surveys. A computer is used to randomly dial a telephone number, and the operator asks the answering person whether she has time to answer some questions. Let Y = the number of calls made until the first person replies that she is willing to answer the questions. Is this a binomial experiment? Explain.

1/13/16 – 1/15/16 CHAPTER 1: WHERE DOES DATA COME FROM Individuals things, “subjects”, “participants” objects described by data building blocks of data doesn’t have to be living Variables any characteristic of the individual (have different values) 1. Categorical variable puts individuals...