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c) The Department of Transportation of a country reported that 80.2% of the country's airline flights arrived on time. One researcher randomly selected 50 airline flights. Let X = the number of flights arriving on time. (i) Does X meet the conditions of a Binomial random variable? Explain your choice in two sentences. (2 Marks) (ii) Calculate the Z-score (to 2 d.p.) for 32 flights arriving on time if the mean is 40 flights and the standard deviation is 2.82. Would you be surprised to learn that 32 flights arrived on time? Use one sentence to explain your answer. (2 Marks)

c) The Department of Transportation of a country reported that 80.2% of the country's airline flights arrived on time. One researcher randomly selected 50 airline flights. Let X = the number of flights arriving on time. (i) Does X meet the conditions of a Binomial random variable? Explain your choice in two sentences. (2 Marks) (ii) Calculate the Z-score (to 2 d.p.) for 32 flights arriving on time if the mean is 40 flights and the standard deviation is 2.82. Would you be surprised to learn that 32 flights arrived on time? Use one sentence to explain your answer. (2 Marks)

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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c) The Department of Transportation of a country reported that 80.2% of the country's airline flights arrived on time. One researcher randomly selected 50 airline flights. Let X = the number of flights arriving on time. (i) Does X meet the conditions of a Binomial random variable? Explain your choice in two sentences. (2 Marks) (ii) Calculate the Z-score (to 2 d.p.) for 32 flights arriving on time if the mean is 40 flights and the standard deviation is 2.82. Would you be surprised to learn that 32 flights arrived on time? Use one sentence to explain your answer. (2 Marks)
Transcribed Image Text:c) The Department of Transportation of a country reported that 80.2% of the country's airline flights arrived on time. One researcher randomly selected 50 airline flights. Let X = the number of flights arriving on time. (i) Does X meet the conditions of a Binomial random variable? Explain your choice in two sentences. (2 Marks) (ii) Calculate the Z-score (to 2 d.p.) for 32 flights arriving on time if the mean is 40 flights and the standard deviation is 2.82. Would you be surprised to learn that 32 flights arrived on time? Use one sentence to explain your answer. (2 Marks)
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