In a box of assorted cookies, 36% contain chocolate and 12% contain nuts. Of those, 8% contain both chocolate and nuts. Sean is allergic to both...

   In a box of assorted cookies, 36% contain chocolate and 12% contain nuts. Of those, 8% contain both chocolate and nuts. Sean is allergic to both chocolate and nuts. 

a.   Find the probability that a cookie contains chocolate or nuts (Sean cannot eat it).

b.   Find the probability that Sean CAN eat the cookie.