Go to the books website to obtain the data file SullivanStatsSurveyI using the file format of your
Question:
Go to the book’s website to obtain the data file SullivanStatsSurveyI using the file format of your choice for the version of the text you are using. The data represent the results of a survey conducted by the author. The variable “Text while Driving” represents the response to the question, “Have you ever texted while driving?”
The variable “Tickets” represents the response to the question,
“How many speeding tickets have you received in the past 12 months?” Treat the individuals in the survey as a random sample of all U.S. drivers.
(a) Build a contingency table treating “Text while Driving” as the row variable and “Tickets” as the column variable.
(b) Determine the marginal relative frequency distribution for both the row and column variable.
(c) What is the probability a randomly selected U.S. driver texts while driving?
(d) What is the probability a randomly selected U.S. driver received three speeding tickets in the past 12 months?
(e) What is the probability a randomly selected U.S. driver texts while driving or received three speeding tickets in the past 12 months?
(f) Interpret the marginal relative frequency distribution for the column variable, “Tickets.”
Step by Step Answer:
Statistics Informed Decisions Using Data
ISBN: 9781292157115
5th Global Edition
Authors: Michael Sullivan