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1573 Stats
Asked: Jan 10,2019In: Confidence intervals

A random sample of fifty-four 200-meter swims has a mean time of 3.227 minutes

population-mean confidence-interval
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1573 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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4278 Stats
Asked: Jan 10,2019In: Confidence intervals

You are given the sample mean and the population standard deviation. construct the 90% and 95% confidence intervals for the population mean.

confidence-interval mean
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4278 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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1564 Stats
Asked: Jan 10,2019In: Confidence intervals

Calculate the sample size needed to construct the confidence interval for mean given

sample-size confidence-interval
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1564 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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1 Solutions
1599 Stats
Asked: Jan 10,2019In: Confidence intervals

Use the given statistics and population standard deviation

confidence-interval population-mean
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1 Solutions
1599 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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1 Solutions
2537 Stats
Asked: Jan 10,2019In: Confidence intervals

Match the level of confidence, c = 0.90, with its representation on the number line

confidence-interval number-line
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1 Solutions
2537 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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1635 Stats
Asked: Jan 17,2019In: Confidence intervals

For a population with a mean equal to 100 and a standard deviation equal to 35, calculate the standard error

confidence-intervals
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1635 Stats
Asked: Jan 17,2019 In: Confidence intervals
Answer
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1695 Stats
Asked: Jan 23,2019In: Confidence intervals

The quality-control manager, needs to determine whether the mean life of a large shipment of CFLs is equals to 7,508 hrs

confidence-interval statistical-quality-control
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1 Solutions
1695 Stats
Asked: Jan 23,2019 In: Confidence intervals
Answer
1 Vote
1 Solutions
2666 Stats
Asked: Jan 23,2019In: Confidence intervals

In a study of 404 nonprofits nationwide, 87 indicated that turnover has been the biggest employment challenge at their organization.

confidence-interval statistical-intervals proportion-sample-size
1 Vote
1 Solutions
2666 Stats
Asked: Jan 23,2019 In: Confidence intervals
Answer
1 Vote
1 Solutions
1983 Stats
Asked: Jan 23,2019In: Confidence intervals

A survey of 1,056 tablet owners was conducted. construct the confidence intervals as follows

proportion-interval confidence-interval-for-proportions confidence-interval
1 Vote
1 Solutions
1983 Stats
Asked: Jan 23,2019 In: Confidence intervals
Answer
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1 Solutions
2228 Stats
Asked: Jan 23,2019In: Confidence intervals

Procter & Gimple Soap Corp, need to know the advertising medium that gives a brand the most credibility in influencing brand decisions?

confidence-intervals statistical-interval proportion-confidence-interval-size
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2228 Stats
Asked: Jan 23,2019 In: Confidence intervals
Answer

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