2. In a shady on heart attacks and Omega3 levels the following table T.Jtas compiled of people taking high doses of Omega3 and Low Doses and then a record of the number suffering a heart attack in the groups. Heart No Row aacli heart attack Totals High 199 339 Low 333 12139 Column Use the above table and assume a 90% condence= test if there is a signicant di'erence in the proportion of heart attacks between the two group