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Mathematics, 03.02.2020 04:04, lisamccray45
Dhl shipping claims that it ships 95% of its orders within three working days. you select a simple random sample of 100 orders and discover that only 91 of them shipped on time.
a) if dhl really does ship 95% on time, what is the probability that the company shipped 91 or fewer out of 100 orders were shipped on time?
b) a marketer from ups jumps on the research stating, "they claim 95% on time, but by their own research they only ship 91% on time! " provide a rebuttal to the ups marketer in non-statistical terms.
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Dhl shipping claims that it ships 95% of its orders within three working days. you select a simple r...
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