If you want to gain more precision in your confidence interval, what effect would this have...

If you want to gain more precision in your confidence interval, what effect would this have on your level of confidence?

A. your level of confidence would have to decrease B.No answer

In the five steps of hypothesis testing, we compare step 4 and step 1 to reject a decision? True/false

The alpha level is related to the making of type 1 error? True/False

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If we wish to have a 95% confidence interval, what would be the value of the...

If we wish to have a 95% confidence interval, what would be the value of the confidence coefficient? And.. Consider a sample mean of 46 calculated from a sample size of 51 drawn from a population of over 1000. Would it be appropriate to use the standard score table to look up the probability of a standard (z) score calculated on these data? Why or why not?

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What sample size would you need to make the 99% confidence interval have the same margin of error as the 90% confidence interval?

A confidence interval estimate is desired for the gain in a circuit on a semiconductor device....

A confidence interval estimate is desired for the gain in a circuit on a semiconductor device. Assume that gain is normally distributed with standard deviation s = 25. (a) Find a 95% CI for m when n = 10 and x = 1000. (b) Find a 95% CI for m when n = 25 and x = 1000. (c) Find a 99% CI for m when n = 10 and x = 1000. (d) Find a 99% CI for m...

If you are given summary statistics for a sample and want to construct a confidence interval,...

If you are given summary statistics for a sample and want to construct a confidence interval, this can be done through the Probability Calculator in Geogebra. Open it and click the “Statistics” tab just above the graph. For a confidence interval for a population mean, with unknown σ, click the drop-down menu near the top (default is “Z Test of a Mean”) and choose “T Estimate of a Mean.” Enter the confidence level (in decimal form), sample mean, sample standard...

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If you want to gain more precision in your confidence interval, what effect would this have...

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