On a tray there are 11 sugar cookies,14 chocolate chip cookies,16 oatmeal raisin cookies,and 12 peanut butter cookies.if shaina picks one cookie at random,what is the probability that it is not a sugar cookie

On a tray there are 11 sugar cookies14 chocolate chip cookies16 oatmeal raisin cookiesand 12 peanut butter cookiesif shaina picks one cookie at randomwhat is th class=