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. The probability that a respondent is at least 30 years old is the closest to ______.
A) 0.33.
B) 0.46.
C) 0.50.
D) 0.65.

Question

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.  The probability that a respondent is at least 30 years old is the closest to ______.
A) 0.33. 
B) 0.46. 
C) 0.50. 
D) 0.65.

Quizplus · Accepted Answer

The Answer of 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.  The probability that a respondent is at least 30 years old is the closest to ______.
A) 0.33. 
B) 0.46. 
C) 0.50. 
D) 0.65.

Two Hundred People Were Asked If They Had Read a Book