Homework Answers
Given:
p = 0.18, q = 1 - 0.18 = 0.82
For 96% confidence, z = 2.05
E = 0.06
Hence,
Sample size required
n = 173
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restuarant would like to estimate the proportion of tips that
exceed 18% of its dinner bills. Without any knowledge of the
population proportion, determine the sample size needed to
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answer is not 194
A
restuarant would like to estimate the proportion of tips that
exceed 18% of its dinner bills. Without any knowledge of the
population proportion, determine the sample size needed to
construct a 97% confidence interval with a margin of error of no
more than 6% to estimate the proportion.
A
restuarant would like to estimate the proportion of tips that
exceed 18% of its dinner bills. Without any knowledge of the
population proportion, determine the sample...
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