There are 150 steel utensils , 20 allumiunm utensils and 80 glass untensils in a kitchen . A untensil is chose at random . Find the probabilityn that the selected utensil is : is of metal :
There are 150 steel utensils , 20 allumiunm utensils and 80 glass untensils in a kitchen . A untensil is chose at random . Find the probabilityn that the selected utensil is : not of steel :