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In given problem, suppose the confidence interval contained the value 0.00. How could the banker's attorney use this information to defend his client?
Problem In May 2007, a banker was arrested and charged with insider trading after government investigators had secretly looked at a sample of nine of his many trades and found that on these trades he had made a total of $7.5 million.
Compute the average earning per trade. Assume also that the sample standard deviation was $0.5 million and compute a 95% confidence interval for the average earning per trade for all trades made by this banker. Use the assumption that the nine trades were randomly selected.
the go transportation system of buses and cumuter trains operates on the honor system. train travers are expected to
Debate if "failing to reject the null" is the same as "accepting the null." Support your position with examples of acceptance or rejection of the null. Next, give your opinion on whether or not a failed t test "proves" the null hypothesis
a little confused on this one.assume the probability of a household owning a blue-ray player is 0.70.what is the
How do they relate to strategic human resource management? Be sure to explain this relationship in terms of the resource-based view of the firm and sustainable competitive advantage.
in any given situation if the level of confidence and the standard deviation are kept constant how much would you need
Let X and Y be independent random variables with mean j and k and variances m^2 and n^2. Find an expression for the correlation of XY and Y in terms of these means and variances.
which of the following describes the effect of increasing sample size?measures of effect size and the likelihood of
If the analysis of variance F-test leads to the conclusion that at least one of the model parameters is nonzero, can you conclude that the model is the best predictor for the dependent variable y?
Calculate the standard error. With 95% confidence, find out the margin of error?
Three families, each with three members, are lined up at random for a picture. What is the probability that members of each family happen to be together (that is, not separated by someone from another family) in the picture?
a student takes a calculus midterm and a history midterm. the mean and standard deviation on the calculus midterm are
The amount of growth during a set 15-day period for a population of sunflower plants follows a normal distribution with μ=3.07 cm and σ=0.40 cm.
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