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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 rate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 15 Southwest flights and observing whether they arrive on time. (a) Find the probability that at least 8 flights arrive on time. (b) Would it be unusual for Southwest to have 3 flights arrive late? (Enter YES or NO)

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 rate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 15 Southwest flights and observing whether they arrive on time. (a) Find the probability that at least 8 flights arrive on time. (b) Would it be unusual for Southwest to have 3 flights arrive late? (Enter YES or NO)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:esc 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 rate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 15 Southwest flights and observing whether they arrive on time. (a) Find the probability that at least 8 flights arrive on time. (b) Would it be unusual for Southwest to have 3 flights arrive late? (Enter YES or NO) alt 2 T JAAAA 1 9 a N Z W S X # 3 e C d C $ 4 r f % 5 V t 6.0 g Oll b 1986 7 y h O & n U O J m k CO alt р V 189 ctrl { [ ? 11 bac } 1
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