document.write( "Question 729612: The following table is information about the number of mothers of Live-Born infants who stopped smoking during Pregnancy by Education level\r \n" );
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document.write( "Smoking Status 0-11yrs % 12yrs % 13-15 % 16 % Total % \n" );
document.write( "Stopped 42 9.7 308 16.9 204 21.8 214 24.2 768 18.8 \n" );
document.write( "Did not stopped 390 90.3 1515 83.1 732 78.2 670 75.8 3307 81.2 \n" );
document.write( "Total 432 100 1823 100 936 100 884 100 4075 100\r \n" );
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document.write( "Let the event: \n" );
document.write( "A: a mother with less than 12 years of education \n" );
document.write( "B: a mother who has quit smoking \n" );
document.write( "a. Calculate P(A) &P(B) \n" );
document.write( "b. P(BIA) \n" );
document.write( "c. Indicate whether event A and B are independent \n" );
document.write( "I am really stuck here, and would appreciate your help. \n" );
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