Please help statistics question, show steps please. 2. The rates of on-time flig

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Please help statistics question, show steps please.

2. The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 12 South- west flights and observing whether they arrive on time. (a) Find the probability that at least 7 flights arrive on time. (b) Would it be unusual for Southwest to have 12 flights arrive on time? (Enter YES or NO)

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Please help statistics question, show steps please.

2. The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 12 South- west flights and observing whether they arrive on time. (a) Find the probability that at least 7 flights arrive on time. (b) Would it be unusual for Southwest to have 12 flights arrive on time? (Enter YES or NO)

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