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Apply the problem discovery sample size formula to several finite populations. How should I integrate the finite population correction factor (FPC) into this formula?
What is the difference between a population standard deviation and a sample standard deviation?
If last six month average defect rate is 5% then what will be the process Zst score?
Please use the regression procedure within Excel under Tools > Data Analysis to construct this equation.
In an Asian country with a population of 6 million people, 60,000 deaths occurred during the year ending December 31, 1995. . What was the cause-specific mortality rate from cholera in 1995?
Draw a normal probability plot for residuals using excel or Minitab. Do the residuals seem normally distributed? If yes, why?
construct a 95% confidence interval for the weekly average expenditure on fast food for adults 24 years of age and under. Assume fast food weekly expenditures are normally distributed.
A poll found that 38% of male voters and 46% of female voters support a particular candidate. To test whether this candidate has equal levels of support between male and female voters, the null hypothesis should be
I want to estimate within $10 the mean salary of all graduates who were business majors in college. How many business majors would be needed to estimate the mean salary to within 10 with 95% confidence if the population standard deviation is $200.
No, there is not enough information to refuse hypothesis that proportion of male students who live on campus and proportion of female students who live on campus are same as the test value -1.65 is inside acceptance region (-1.96,1.96).
Assume a normal distribution for pH values. If a random sample of 10 readings in a vat is taken and the mean pH is computed, find each of the following?
A shipment of 500 dolls is received by Panda Importers. The quality control manager selects a random sample of 75 to test. Five are bound to be defective. Construct a 90 percent confidence interval for the population proportion of defective dolls ..
A sample of 49 repairs showed an average overhaul of 285 hours with a standard deviation of 50 hours. Calculate a 95% confidence interval for the average overhaul.
Given a normal distribution of data, we know from the Empirical Rule that in between 2 standard deviations from the mean
Graph this equation put at last five points for the equation. Graph each inequality. use the test point method.
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