Question: Please, Show results of running the test using a statistical software package In 2014 an airline had 92% of all flights on time. After taking

Please, Show results of running the test using a statistical software package

  1. In 2014 an airline had 92% of all flights on time. After taking a random sample of 278 flights from 2015-present it was found that 259 were on time. Can we infer, at the 5% significance level, that their on-time performance has improved since 2014? Assume the required conditions are satisfied. 32 marks

H0 :

H1 :

Conclusion: Reject H0 Do not reject H0

Reason for conclusion:

What are the required conditions for this test?

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