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The project manager at a software company predicts her project's costs based on previous projects she has worked on that were similar. (She takes into account the differences between her current and previous projects, as well.) What type of cost estimating is she using?
You estimate that the probability of getting both jobs is only 0.1. What is the probability that you get exactly one of the jobs?
how much the mean changes?
an economic department at a state university with five faculty members-anderson box cox carter and davis-must select
Using this information, calculate Blpha risk (probability of Type II error) if the true population mean really is 79.
Which of the models of this chapter (Geometric, Binomial, Normal) would you use to model the number of successful contacts from a list of 1000 sampled.
Peter, Paul, Mary, John and Martha are members of the pastoral council at a localchurch. They are to be seated at one side of a long conference table in a pastoral councilmeeting.
a team of two people to be selected out of 5 men and 5 women. a random variable x is defined to be the number of men
what can a researcher do to influence the size of the standard error?what can a researcher do to influence the
the data set toxemia contains information for a sample of 100 infants born in two hospitals in boston. indicators of a
By the sum-of-squares principle, SSE and SSTR are additive, and their sum is SST. Does such a relation exist between MSE and MSTR? Explain.
the half width of a 99 confidence interval for a mean based on sample size of 30 is 10. what is the value of the sample
The second kind of error is when the null is false and you fail to reject. Report the first kind of error and the second kind of error.
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