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 read a book in the last month and is at least 30 years old is closest to _______.
A)0.12
B)0.33
C)0.46
D)0.88

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 read a book in the last month and is at least 30 years old is closest to _______.
A)0.12 
B)0.33 
C)0.46 
D)0.88

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 read a book in the last month and is at least 30 years old is closest to _______.
A)0.12 
B)0.33 
C)0.46 
D)0.88