4) Each letter of the words NEW COURSE is written on a card (including one blank card, representing the space between the words), so that there are 10 cards altogether.

(i) All 10 cards are arranged in a random order in a straight line. Find the probability that the two cards containing an E are next to each other.[3] (ii) 4 cards are chosen at random. Find the probability that at least three consonants (N, W, C, R, S) are on the cards chosen.[4]