(1) A student studying for a vocabulary test knows the meanings of 14 words from a list of 20 words. If the test contains 10 words from the study list, what is the probability that at least 8 of the words on the test are words that the student knows?
(2) Three balls are selected at random without replacement from an urn containing two white balls and four blue balls. Find the probability of the given event. (Round your answer to three decimal places.)