[" 9.A pot contain "5" red and "2" green balls.Atrandorn a ball is dravin from this pot.If a drawn "],[" ball is green then put a red ball in the pot and if a drawn ball is ted.then put a green ball in "],[" the pot,while drawn ball is not replace in the pot.Now we draw anothother ball randomly,the "],[" probability of scond ball to bercd is "],[[" 1) "(27)/(10)," 2) "(26)/(49)," 3) "(21)/(49)," 4) "(32)/(49)]]