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The owner of Britten's Egg Farm wants to estimate the mean number of eggs laid per chicken. A sample of 20 chickens shows they laid an average of 24 eggs per month with a standard deviation of 2.71 eggs per month.
(a) What is the value of the population mean?(b) What is the best estimate of this value?(c) For a 90 percent confidence interval, the value of t is . (Round your answer to 3 decimal places.)(d) The 90 percent confidence interval for the population mean is to (Round your answers to 3 decimal places.)(e) Would it be reasonable to conclude that the population mean is 22 eggs? What about 24 eggs?
If the Consumer Price Index in June 2006 was 159.3 (1982-84=100), what does this indicate about prices from 1982-84 to June 2006?
How would you find the normal approximation to the binomial probability P(x = 5) in part A? Please show how you would calculate u and standard deviation in the formula for the normal approximation to the binomial
Once R is selected, the sum is compounded instantaneously for a year so that X= 50000 e^R dollars is the amount at the end of that year. Find the distribution function and the p.d.f. of X.
Compare two month moving average also exponential smoothing using MAD. The subsiquent data represents demand for company ABC's products for the last 10 months.
Explain how the Central Limit Theorem can help you convince your boss that while you can't get rid of sampling error the results from your statistical work (that is based on sampling) can still be useful.
Determine whether or not the mean waiting time of all customers is significantly more than 3 minutes.
The filling weight for boxes of cereal is designed to have a variance .02 ounces or less. A sample of 41 boxes of cereal shows a sample standard deviation of .16 ounces.
For each of the following, identify the scale of measurement (NOIR) and the best measure of central tendency for the data.
Select one psychological personality assessment instrument or inventory to serve as the basis of this assignment. Explore the psychological literature to find three to five articles that test the use of this inventory or assessment on obsessive-com..
Explain the relationship between total gross and opening gross total gross and number of theatres total gross and week in top 60.
A government survey conducted to estimate the mean price of houses in a metropolitan area is designed to have a margin of error of $10,000.
Compute the mean, variance and standard deviation for the grouped data. Based on the previous answer, how much could the realtor expect to make if he sells 3 houses?
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