The rates of on-time flights for commercial jets are continuously tracked by the U.S. 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 Southwest flights and observing whether they arrive on time. Find the probability that at most 10 flights arrive on time. Round answer to 4 decimals. Why is this binomial? Number of Trials: Number of Successes: Probability of Success:
6. The rates of on-time flights for commercial jets are continuously tracked by the U.S. 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 Southwest flights and observing whether they arrive on time. Find the
Why is this binomial?
Number of Trials:
Number of Successes:
Probability of Success:
7. In a housing study, it was found that 30% of college students live in campus housing. An insurance company wants to sell those students special policies insuring their personal property. If they test a marketing strategy by randomly selecting 20 students, what is the probability that at least three of them lives in campus housing? Round answer to 4 decimals.
Why is this binomial?
Number of Trials:
Number of Successes:
Probability of Success
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