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The child welfare agency in Belmont wanted to study local family demographics. The agency selected a random sample of 325 Belmont households to participate in a survey. The surveyed households had an average of 1.9 children, with a standard deviation of 0.5.
Find a 99% confidence interval for the mean number of children in Belmont households.
Round your answers to the nearest tenth.
____< < ____
Sagot :
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