Consider an instance of SAT with m clauses, where every clause has exactly k literals.
(a) Consider a simple randomized algorithm that assigns each variable to TRUE or FALSE
uniformly at random.  What exactly is the expected number of clauses that are satisfied?
(b) Give a derandomization of the above randomized algorithm using the method of conditional
expectations.  Show your reasoning.

求求各位了~~~看不懂~~~求解！！