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Intel purchases electronic chips from a supplier who's chips are defective only 5% of the time. Determine the sample size that would be required to estimate the true proportion of defective chips if we wanted our estimate, p^, to be within 1.25% of the true proportion, with 99% confidence.
What sample size would be necessary to estimate the true weight with an error of +/- 0.03 grams with 90 percent confidence?
Use a visual display to a categorical variable with four classifications. Which one would you use - the bar chart, the pie chart, or the pareto diagram? Explain"
The level of various substances in the blood of kidney dialysis patients is of concern because kidney failure and dialysis can lead to nutritional problems.
Finds the standard deviation of the time to prepare, copy and mail their tax return is 80 minutes. What is the standard error of the mean in this example?
If new inspector measures 101 stampings with variance of 0.13 square inch, test at 0.05 level of significance whether inspector is making satisfactory measurements. Suppose normality.
Prove that if x + y is even, then the product xy(x + y)(x - y) is divisible by 24, and that without this restriction, 4xy(x- y)(x + y) is divisible by 24.
when running a non-parametric test on spss with a small sample size which test statistic will not provide the most
Estimate the true proportion of incomplete files for all the bank's commerical loans. write a statement about the confidence level and intervel youn find?
a manufacturer produces lightbulbs at a poisson rate of 239 per hour.the probability that a lightbulb is defective is
Assuming that these are a random sample of all publicly traded companies, construct a 95 % confidence interval for the overall noncompliance proportion.
you plan to develop a new software system that you believe will surpass the success of google and facebook combined. in
15% were contaminated with salmonella, and 13% were contaminated with both of these bacteria. What is the probability that a tested chicken chosen at random is: contaminated with salmonella and not campylobacter.
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