A port CEO wants to study the proportion of ships arriving at his port on time. How many
Question: Question 1
A port CEO wants to study the proportion of ships arriving at his port on time. How many ships must be included in the sample if the CEO wants the error to be within 0.02 and a confidence level of 95% if:
a) there is no information available that could be used as an estimate of the population proportion?
b) a previous study suggests that 75% of ships arrive on time?
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Deliverables: Word Document
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