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Determine the sample size for the estimate of μ for the following. E=2.6, σ=13.10, confidence level=99%.
Round your answer to the nearest integer. n=
(c) Find the correlation matrix of the three independent variables. Is there evidence of multi collinearity? (d) Standardize each of the independent variables, x1 and x2, and create a new variable that is the square of the standardized value of x2
Prove that if the result of the men's courtship algorithm yields the same result as the women's courtship algorithm, then this resulting matching is the unique stable matching.
"If you took 40 employees at random from the corporation, there is a pretty good chance the average number of days absent would be 12 or more. That's what happened to us-chance variation." Is this a good defense? Justify your answer.
In a shipment of steel bars, 2 out of every 100 sets are defective. A construction company makes a purchase of 500 bars selected at random from the manufacturer's production. If x is the number of defective bars purchased by the company, identify ..
Use a 0.05 significance level to test the claim that king-size cigarettes with filters have a lower mean amount of nicotine than the mean amount of nicotine in non-filtered king-size cigarettes.
the article high levels of mercury are found in californians describes a study in which hair samples were tested for
a. What is the mean of the sampling distribution?
suppose a study estimated the population mean for a variable of interest using a 99 confidence interval. if the width
What is the population proportion, π?- What is the sample proportion, p?- What is the standard error of the sample proportion?
A craftsperson makes stuffed animals for sale. 85% of the animals she makes are bears while the remaining 15% are rabbits. Suppose she sells 75% of her bears at craft shows but only 50% of her rabbits are sold at craft shows.
For the project you need to complete the following sections: Introduction: about the indices of your project.
Currently have to wait on line before the technician is able to answer their call. What is the average waiting time in the queue (in hours) before the technician answers a customer's call?
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