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1. What is the correction for continuity and why is it employed when the normal distribution is used in approximating the binomial distribution?
2. Under what circumstances is it permissible to use the normal distribution in approximating the binomial distribution?
What is the probability that the difference between the sample mean and the population mean is less than 0.01? 5. What is the likelihood the sample mean is greater than $ 3.87?
a treatment is administered to a sample selected from a population with a mean of mue 80 and a standard deviation of
Policy Pollsters is a market research firm specializingin political polls. Records indicate in past elections,when a candidate was elected, Policy Pollsters hadaccurately predicted this 80 percent of the time andthey were wrong 20% of the time.
A recent study of 50 self-service gasoline stations in the Greater Cincinnati' Northern Kentucky metropolitan area revealed that the mean price of unleaded gas was $2.029 per gallon. The sample standard deviation was $0.03 per gallon.
city a has a mean family income of 65000 with a standard deviation of 2000. it also has proportion unemployed of .1. a
Compute the p-value for this test using Excel's NORMSDIST function and draw the appropriate management conclusion.
Produce the summary output and give the estimated equation for your chosen model and find a suitable regression model to predict y2 using x2 as an explanatory variable. Comment on the output used and justify your choice of model.
an inspector correctly identifies defective products 90 of the time. for the next 10 products the probability that he
A real number X is randomly chosen from the interval [0,10], dividing the interval into a left and a right side. Find the probability that the left side is at least four times as big as the right.
a new no-frills airline runs a commuter shuttle service using a refurbished world war ii bomber. the two-propeller
The following data are the percentages of employees involved in worker participation programs in a sample of firms. Draw a stem-and-leaf display of the data
What factors account for the "Great Divergence" between Europeans and non-Europeans between 1700 and 1914?
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