The 9th grade class was surveyed about their plans after high school graduation. The table describes the results.



Plans to live at home Plans to live on their own Row Totals
Plans to attend college 55%. 10% 65%
Plans not to attend college 20% 15% 35%
Column Totals 75% 25% 100%


Part A: Find the conditional relative frequency of a student who does not plan to attend college, given that they plan to live at home. (3 points)

Part B: Is there an association between not attending college and living on their own? (3 points)



Answer :