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 that the required conditions are satisfied
H0 : ______________________________
H1 : ______________________________
Conclusion: Reject H0 Accept H0
Reason for conclusion: _________________________________________________
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