(a) What is the probability that the weight is greater than $\colorbox[rgb]{1,1,1}{$4$}\colorbox[rgb]{1,1,1}{$k$}\colorbox[rgb]{1,1,1}{$g$}$?

(b) What is the probability that the weight is less than $\colorbox[rgb]{1,1,1}{$5$}\colorbox[rgb]{1,1,1}{$k$}\colorbox[rgb]{1,1,1}{$g$}$?