Question: Use the following sample information to calculate the confidence interval to estimate the population proportion. Let x be the number of items in the sample

Use the following sample information to calculate the confidence interval to estimate the population proportion. Let x be the number of items in the sample having the characteristic of interest.
a. n = 116 and x = 57, with 99% confidence.
b. n = 800 and x = 479, with 97% confidence.
c. n = 240 and x = 106, with 85% confidence.
d. n = 60 and x = 21, with 90% confidence.

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a n 116 x 57 99 CI z 005 2575 49 49 2575 49 12 37 p 61 b n 800 x 479 ... View full answer

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