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Can you please help me with the central limit theorem, please help me understand the concept by telling me in the simplest language possible?
Find the probability that the sample contains 2 defective items. What assumptions are you making?
Estimate the population proportion p of commuters from the two islands who would prefer the ferry service. Construct a 95% confidence interval for p.
let x represent the absolute value of the difference between the number of heads and the number of tails when a coin is
Comment on the difference in the widths of these intervals.
a mechanical assembly consists of a rod with a bearing on each end. the 3 parts are manufactured independently. the
Apply the problem discovery sample size formula to several finite populations. How should I integrate the finite population correction factor (FPC) into this formula?
The levered capital structure would have 11,950 shares of stock and $88,000 of debt. What is the interest rate on the debt? Ignore taxes.
A population has a mean µ=76 and standard deviation s=27. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=81.
Robins are common birds in North America. Suppose that the wingspan of robins is approximately normal with mean 14 inches and standard deviation 0.7 inches.
americans have become increasingly concerned about the rising cost of medicare. in 1990 the average annual medicare
For this purpose, a random sample of 55 plots, each of size 100 square meters, is used. The number of ferromagnetic artifacts for each plot is determined.
A recent article in the Wall Street Journal reported that the 30-year mortgage rate is now less than 6 percent. A sample of eight small banks in the Midwest revealed the following 30- year rates (in percent):
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