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1)A human resource manager is interested in whether absences occur during the week with equal frequency. The manager took a random sample of 100 absences and created the following table: Monday 28 Tuesday 20 Wednesday 12 Thursday 18 Friday 22 At a significance level of alpha = .05 test the Null that the probabilities of absences are the same for all five days. 2)H0: pi1- pi2 <=.01, HA: pi1- pi2 > .01 at alpha =.05 where p1=.08, p2=.035, n1 = 200, n2 = 400. Indicate which test you are performing; show the test statistic and the critical values and mention whether one-tailed or two-tailed. Note that pi stands for the Greek letter representing population proportion 3)In an opinion survey, a random sample of 1000 adults from the U.S.A and 1000 adults from Germany were asked whether they supported the death penalty. 590 American adults and 560 German adults indicated that they supported the death penalty. The researcher wants to know if there is sufficient evidence to conclude that the proportion of adults who support the death penalty is higher in the U.S.A. than in Germany. What is the decision at a =.05 and 0.10
Calculate the slack time for each activity and for each path and looking at only the critical path, find the probability that the store will take more than 23 working days to open.
a. Use the multiplication rule to find the probability that your first two digits match those drawn and your last two digits do not match those drawn. That is, find P(MMXX), where M denotes a match and X denotes a digit that does not match the ..
R programming
Construct the product structure tree for the coffee table and all of the items required to construct the table - complete the MRP for the coffee table and all of the items required to construct the table.
Create a histograms for variable height-pull up Graph
Beanie Babies are toy stuffed animals that have become valuable collector's items. Beanie World Magazine provided the information on 50 Beanie Babies given in beanie.xls.
What is the critical value for the test statistic?
A survey showed that the probability that an employee gets placed in a job
2.Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter?
1. a researcher studying the effects of environment on mood asks participants to sit alone in a waiting room for 15nbsp
Why is normality required for standard deviation applicability?
please read through the case scenario shown below to gain an understanding of the background information and the
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