12/13/15
im trying to study for my statistics final exam, and i am having some trouble figuring out this word problem.
22 According to the Census Bureau the sample proportion of American children without health insurance rose from 0.109 in 2005 to 0.117 in 2006. Using the Census data you test the hypothesis that...
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12/01/15
Stat normal population question?
A sample of 25 outcomes is taken from a population that is Normal(50, 3). The mean of this particular sample is found to be 48.5. What is the probability that a particular sample of the same size...
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11/22/15
Test null hypothesis µ=19.5 versus alternative µ<19.5 by setting alpha=.01 and using the critical value rule.
n=65
x-bar=18.1077
s=3.9612
Interpret p-value of .0164 for the test. That is explain how much evidence there is that null hypothesis is false.
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