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It has been reported that men are more likely than women to participate in online auctions. In a recent survey, 65% of respondents reported that they had participated in an online auction. In this same survey, 45% of the respondents were men and 38% were men who had participated in online auctions. Which of the following is true?
A. Gender and participation in online auctions are disjoint.
B. Gender and participation in online auctions are not related.
C. The intersection of being male and participating in online auctions is zero.
D. Gender and participation in online auctions are dependent.
E. Gender and participation in online auctions are independent.
computer services inc. wants to determine a confidence interval for the average cpu time of their teleprocessing
Manual calculations.
You are trying to set up a portfolio that consists of a corporate bond fund and a common stock fund. the following information about the annual return (per $1,000)of each of these investments under different economic condition is available
The standard deviation is estimated to be 0.279. Use the 99% level of confidence.
You have just started own airline. You have one plane for a route connecting Austin, Boise, and Chicago. One route is Austin-Boise-Chicago and a second route is Chicago-Boise-Austin.
Find out the best predicted household size given that the household discards 5.00 lb of plastic.
Of those who made no purchase, 201 were happy with the service and 221 were not. Use probability rules (when appropriate) to find the probability that a shopper made a purchase.
What is the relationship between pretest scores and final exam scores after controlling for cumulative GPA? He also wants to know about the relationship between pretest scores and final exam scores.
From a random sample we know that the average duration of unemployment in a low developed region A is 147 days (with standard deviation sA = 32 days and nA = 230 unemployed).
Samples of size 49 are taken from a population with a σ of 17. If the mean of the sample is 25, what is the confidence interval at the 90% confidence level
10. 3.52 8.87 3.99 3.61 2.33 3.21 0.25 4.94use the sample data to construct a 95 confidence interval estimate of the
Decision making using the Transportation method.
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