Exhibit 4-1.Two hundred people were asked if they had read a book in the last month.The accompanying contingency table,cross-classified by age,is produced. Refer to Exhibit 4-1.The probability that a respondent is at least 30 years old is closest to ______.
A)0.33
B)0.46
C)0.50
D)0.65

Question

Exhibit 4-1.Two hundred people were asked if they had read a book in the last month.The accompanying contingency table,cross-classified by age,is produced.  Refer to Exhibit 4-1.The probability that a respondent is at least 30 years old is closest to ______.
A)0.33 
B)0.46 
C)0.50 
D)0.65

Quizplus · Accepted Answer

The Answer of Exhibit 4-1.Two hundred people were asked if they had read a book in the last month.The accompanying contingency table,cross-classified by age,is produced.  Refer to Exhibit 4-1.The probability that a respondent is at least 30 years old is closest to ______.
A)0.33 
B)0.46 
C)0.50 
D)0.65