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Exhibit 4-1

Question 9

Multiple Choice

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. 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 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

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