Referring to the contingency table in Problem 4.10, if a respondent is selected at random, what is
Question:
a. he or she answers quickly?
b. he or she is over 70 years old?
c. he or she answers quickly or is over 70 years old?
d. Explain the difference in the results in (b) and (c).
In problem 4.10
Transcribed Image Text:
AGE OF RESPONDENTS ANSWERS QUICKLY 12-50 Over 70 Total 536 464 1,000 Yes No Total 707 293 1,000 1,243 757 2,000
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Related Book For
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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