vanessa23kodabug vanessa23kodabug

19-04-2017
SAT

contestada

A random sample of 50 four-year-olds attending day care centers provided a yearly tuition average of $3987 and the population standard deviation of $630. Find the 90% confidence interval of the true mean

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allison2527 allison2527

26-04-2017

3000 is the p-*5#%?"+(

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