Question: X 10 n 40 90 level a Use the

x = 10, n = 40, 90% level.
a. Use the one-proportion plus-four z-interval procedure, as discussed on page 449, to find the required confidence interval.
b. Compare your result with the corresponding confidence interval found in Exercises 11.17–11.22, if finding such a confidence interval was appropriate.


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  • CreatedAugust 13, 2015
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