The owner of a shopping mall wants an estimate of the lengthof
time shoppers spend in the mall...
Mathematics, 09.01.2020 01:31 sirdre1982
The owner of a shopping mall wants an estimate of the lengthof
time shoppers spend in the mall. the estimate is to be within
5minutes of the true time, with a 98% confidence level. the
estimateof the standard deviation of the length of time spent in
the mallis 20 minutes. how large a sample will be needed?
Answers: 2
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