Mathematics, 01.04.2020 21:52 hebiancao
A boat manufacturing company wants to know how long people own their boats before purchasing a new one. A random sample of 160 boat owners showed that, on average, they own a boat for 8.5 years with standard deviation of 3.55 years, before they purchase a new boat. Using 99% confidence interval what is the mean length of boat ownership for all boat owners
Answers: 3
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