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The 95 percent confidence interval
Find a confidence interval for ƒÊ assuming that each sample is from a normal population.
a. �P x = 14, ƒÐ = 4, n = 5, 90
1 answer
asked by
Richard
748 views
A two-tailed hypothesis test at the 5 percent level of significance (£\ = .05) is exactly equivalent to asking whether the 95
1 answer
asked by
mel
907 views
Which of the following descriptions of confidence intervals is correct? (Select all that apply)
a. If a 95% confidence interval
1 answer
asked by
Lindsay
1,713 views
A researcher constructs a confidence interval for a population proportion using a sample of size 50. The value of p is.3, and
3 answers
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A researcher constructs a confidence interval for a population proportion using a sample of size 50. The value of is .3, and the
0 answers
asked by
John maddy
352 views
We have calculated a 95% confidence interval for a proportion and would prefer the confidence interval to be more precise, that
1 answer
asked by
Nick
748 views
A confidence interval for a population mean has a margin of error of 3.1.
a)Determine the length of the confidence interval. b)If
2 answers
asked by
Anonymous
4,804 views
What is the value of the parameter for which we constructed those confidence intervals?
9 5 % confidence interval for Lower bound
1 answer
76 views
A simple CI
Let θ be an unknown parameter, and let X be uniform on the interval [θ−0.5,θ+0.5]. Is [X−2,X+2] an 80%
1 answer
asked by
SK
4,001 views
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.
1) n =
0 answers
asked by
t
651 views