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Mathematics, 24.06.2020 22:01 erin2077
Recently, TWA reported an on-time arrival rate of 78.4%. Assume that a later random sample of 750 flights results in 630 that are on time. If TWA were to claim that its on-time arrival rate is now higher than 78.4%, would the claim be supported at the 0.02 level of significance? Please show all 4 steps of the classical approach.
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Recently, TWA reported an on-time arrival rate of 78.4%. Assume that a later random sample of 750 fl...
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