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Suppose one of these persons is selected at random, compute P(C₂ or 1₂). Select one: O a. 0.571 O b. 0.497 О с. 0.685 O d. 0.114

Suppose one of these persons is selected at random, compute P(C₂ or 1₂). Select one: O a. 0.571 O b. 0.497 О с. 0.685 O d. 0.114

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The Book Industry Study Group, Inc., performs sample surveys to obtain information on characteristics of book readers. A book reader is defined to be one who read one or more books in the six months prior to the survey; a non-book reader is defined to be one who read newspapers or magazines but no books in the six months prior to the survey; a nonreader is defined as one who did not read a book, newspaper, or magazine in the six months prior to the survey. The following data were obtained from a random sample of people 16 years and over. Household Income Less than $15,000 1₁ $15,000 to $24,999 12 $25,000 to $39,999 13 $40,000 and over 14 Total Select one: O a. 0.571 O b. 0.497 O c. 0.685 Classification Book Non-book Non- Total reader reader reader C₁ C₂ C3 173 267 O d. 0.114 151 163 222 709 166 142 90 665 55 495 17 9 3 334 314 315 Suppose one of these persons is selected at random, compute P(C₂ or 1₂). 84 1458
Transcribed Image Text:The Book Industry Study Group, Inc., performs sample surveys to obtain information on characteristics of book readers. A book reader is defined to be one who read one or more books in the six months prior to the survey; a non-book reader is defined to be one who read newspapers or magazines but no books in the six months prior to the survey; a nonreader is defined as one who did not read a book, newspaper, or magazine in the six months prior to the survey. The following data were obtained from a random sample of people 16 years and over. Household Income Less than $15,000 1₁ $15,000 to $24,999 12 $25,000 to $39,999 13 $40,000 and over 14 Total Select one: O a. 0.571 O b. 0.497 O c. 0.685 Classification Book Non-book Non- Total reader reader reader C₁ C₂ C3 173 267 O d. 0.114 151 163 222 709 166 142 90 665 55 495 17 9 3 334 314 315 Suppose one of these persons is selected at random, compute P(C₂ or 1₂). 84 1458
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