Question

A grocery store carries the following items. There are two main categories of food – conventional and organic ingredients – and four food groups. The data are shown in the following table. Food Groups Food Categories Grains Fruits Vegetables Meat Total Conventional 14 39 2 180 235 Organic 161 86 298 35 580 Total 175 125 300 215 815 If all of the organic items were accidentally displayed together without a sticker or label to mark their origin, what is the probability that you select an organic grain or meat into your grocery basket? First compute for yourself the row (i.e., n1+, n2+), column (i.e., n+1, n+2, n+3, n+4), and overall (i.e., n++) totals, to aid in answering the question. Answer:

Answer 1