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You are the shipping manager at the postham company you are interested in the percentage of packages delivered damaged a simple random sample of 500 packages yiields 16 delivered damaged and 484 delivered undamaged how many packages should be sampled in order to be 90% confident of being within 0.9% of the actual population percentage delivered damaged.
Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.
What is the relevance of Pearson's r? What does it tell you about the correlation between variables? What is one example of a null hypothesis and the research hypothesis that goes with it?
Compute the value of the test statistic (to 2 decimals).
In fact, the amount of coverage is known to be approximately normally distributed with a standard deviation of 25 square feet. How large a sample should be taken to estimate the true mean coverage of all 1-gallon cans to within 5 square feet with ..
What is the probability that the person thinks that "Made in America" ads boost sales and uses social media online?
Suppose that p(x) = 3 - 4x + x² is the quadratic Taylor polynomial approximation based at Xο (ο is a subscript for x) = 1 to a function g.
What are the assumptions and requirements for an LP model to be formulated and used? Under what conditions will an LP problem: be unbounded? be infeasible? have more than one optimal solution?
The ANOVA table is given below,as well as a table of means and standard deviations for the three groups. Evaluate the t statistic for testing contrast
What are the expected value and variance of the following probability distribution?
A sample of 15 workers reveal the following minutes: 29, 38, 38, 33, 38, 21, 45, 34, 40, 37, 42, 30, 29, 35. Develop 98% confidence interval for the population mean. Interpret your result.
The model that result is: y= 0.6 + 1.2x, where the dependent variable is the amount of sales, in thousands of dollars, realized during the week and the independent variable is the amount spent on newspaper advertising, in hundreds of dollars, duri..
If zero can be the first digit and the numbers can be repeated, what is the probability Mr. Jones and Mrs. Smith select the same PIN? (Round your answer to 3 decimal places.)
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