The rates of on-time flights for commercial jets are continuously tracked by the US Department of transportation. Recently, Southwest air has the best rate with 75% of its flights arriving on time. A test conducted by randomly selecting 15 SW. flights and observing whether they arrive on time. Find the probability that most 10 flights arrive on time. Round answer to four decimals. Why is this binomial? Number of trials: Number of successes: Probability of success