A student guesses on every question of a multiple-choice test that has 6 questions, each with 4 possible answers. What is the probability that the student will get at least 4 of the questions right? The probability is . (Round to tour decimal places as needed.) According to an airline, a particular flight is on time 89% of the time. Suppose 38 flights are randomly selected and the number of on time flights is recorded. Find the probabilities of the following events occurring. a. All 38 flights are on time b. Between 32 and 34 flights (inclusive) are on time . . . a. The probability that all 38 flights are on time is. (Round to four decimal places as needed.) b. The probability that between 32 and 34 flights, inclusive, are on time is (Round to four decimal places as needed.)