A sample of 942 homeowners are classified, in the two-way frequency table below, by the number of credit cards they have and the number of years they have owned their current homes. Of the homeowners in the sample who have four or more credit cards, what proportion have owned their current homes for at least one year? * Number of Credit Cards Less than One Year Number of Years Owning Current Home One Year to More than Three Years Three Years Total One 265 53 16 334 Two 84 19 4 107 Three 201 68 20 289 Four or more 134 58 20 212 Total 684 198 60 942 O 78/942 78/258 78/212 212/942 258/942