(a) How many ways are there for a class of six kids to line up for recess? (b) The first child and last child play important roles in the line. Two of your students, Blork and Zonk, are terrible and horribly irresponsible. Blork cannot be trusted to be first in the line, while Zonk cannot be trusted to be last. If the line forms randomly, what is the probability that Blork will be first OR Zonk will be last? Leave your answer as a fraction.

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