Mathematics, 31.10.2019 06:31 chey1603
In 2005, 0.76% of all airline flights were on-time. if we choose a simple random sample of 2000 flights, find the probability (to four decimal places, using normal chart, no continuity correction)
(a) at least 79% of the sample's flights were on time
(b) at most 1580 of the sample's flights were on time
(c) the sample proportion of on-time flights (p-hat) differs from the truth by more than three percent
Answers: 2
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In 2005, 0.76% of all airline flights were on-time. if we choose a simple random sample of 2000 flig...
Mathematics, 14.05.2021 04:30