# According to a flight statistics​ website, in​ 2009, a certain airline had the highest percentage of​...

###### Question:

According to a flight statistics​ website, in​ 2009, a certain airline had the highest percentage of​ on-time flights in the airlines​ industry, which was 82.3​%.

Assume this percentage still holds true for that airline. Use the normal approximation to the binomial distribution to complete parts a through c below.

a. Determine the probability​ that, of the next 30 flights from this​ airline, less than 22 flights will arrive on time.

​P(x<22​)= ​(Round to four decimal places as​ needed.)

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