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Determine the minimum sample size

Suppose a sample of size 400 yields p = 0.5 You'd like to construct a confidence interval with a margin of error only half as
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A simple random sample will be obtained from a normally distributed population. Find the minimum sample size needed to be 99%
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2. asked by Lindsey
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a simple random sample will be obtained from a normally distributed population. find the minimum sample size needed to be 95%
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2. asked by lucy
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Determine the sample size required to estimate a population proportion to within 0.032 with 95.7% confidence, assuming that you
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2. asked by Joey
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A pilot sample of 50 measurements of the breaking strength of cotton threads gave S_(pr) = 18 grams. Determine the sample size
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2. asked by Zabe
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two samples of data regarding salary of Co A and Co B determine if you can be 99% sure that Co?A makes more than Co B? Company A
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2. asked by stylists
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Question:A standard placement test has a mean of 105 and a standard deviation of ó = 13. Determine the minimum sample size if
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2. asked by looking for someone to varify my work please
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Determine the minimum sample size required in order to be 95% confident that our estimate is within 4% of the true percent of
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2. asked by mary
3. 908 views
Two independent samples from populations that are normally distributed produced the following statistics: for sample 1 the
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1. We are interested in conducting a study in order to determine what percentage of voters of a state would vote for the
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2. asked by Lauren
3. 1,789 views