Solve it correctly please. I will rate accordingly with multiple votes.Ty-ped answer only.

Question 3. We have 6 students wearing red hats, 10 students wearing yellow hats and 14 students wearing blue hats

(a) We ask these 30 students to sit randomly in a circle. Compute the expected number of students wearing red hats that have two students on both sides wearing blue hats.

(b) We ask these 30 students to stand randomly in one line. Compute the expected number of students wearing yellow hats that have two students on both sides wearing blue hats.