21.To drum up business and to get customers to trydifferent varieties of cupcakes,a local bakery is offering one free"luck of the draw"cupcake.That is,a cupcake is randomly selected from what is on hand and given to the customer to try.Currently,the cupcakes available are made ofchocolate,vanilla,orstrawberry and have one of three toppings:rainbow sprinkles,chocolate chips,or gummy bears.The different configurations of the100cupcakes available for the"luck of the draw"promotion are depicted in the table below

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