(a) Using the binomial distribution, what is the probability that among 12 randomly observed individuals, exactly 6 do not cover their mouth when sneezing? The probability is 0.0519 . (Round to four decimal places as needed.) (b) Using the binomial distribution, what is the probability that among 12 randomly observed individuals, fewer than 3 do not cover their mouth when sneezing? The probability is (Round to four decimal places as needed.).