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Question: An urn contains three red and two white balls. A ball is drawn, and then it and another ball of the same color are placed back in the urn. Finally, a second ball is drawn.
a. What is the probability that the second ball drawn is white?
b. If the second ball drawn is white, what is the probability that the first ball drawn was red?
a. Write an appropriate model (including an effect for weeks) and the sources of variability in an analysis of variance table. b. How would your model change if we analyze the total 2-week sales data? c. Run an analysis of variance on the 2-week sale..
The following regression equation and correlation coefficient were calculated using minitab for the bivariate data age of men and their weight.
If you want to be 95% confident of estimating the population proportion to within a sample error of +and - .05 and there is historical evidence that the population is approximately .35, what sample size is needed.
(a) For the same data and null hypothesis, is the P-value of a one-tailed test (right or left) larger or smaller than that of a two-tailed test? Choose one
Suppose we have 3 distinct people, 4 identical math books, and 5 identical history books. How many different (distinguishable) ways
A year ago, the spot exchange rate of the euro was $1.20. At that time, Talen Co. (a U.S. firm) invested $4 million to establish a project in the Netherlands. It expected that this project would generate cash flows of 3 million euros at the end of..
Powers Tire Company (Which specializes in tires for vehicles ca. 1965) needs your expertise to help them schedule over the next three months. They can make tires using regular labor, or subcontracting.
when a decision problem under risk or uncertainty involves multiple objectives what solution approaches are
The following data represent more extended measurements of monthly water usage at the plant referred to in Exercise 98 over a period of 20 months:
a random sample of 12 men and 12 women were asked to report the number of hours they watched television on a wednesday
Calculate a four-quarter weighted moving average for the number of America Online (AOL) subscribers for the nine quarters of data. The data are reported in thousands.
Assuming the sigma of 200 was actually the standard deviation for the sample, recalculate the interval estimate. Discuss how this changed your result from that in part b.
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