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For data set A, the mean is $1235, with a standard deviation of $140. For data set B, the mean is 15.7 inches, with a standard deviation of 1.87 inches. Which of these two data sets has the greater relative dispersion?
use your calculator or other software to conduct a test of the hypothesis that mu6 vs mult6 for the following data.
What is the probability that of today's 1,000 callers at least 5 received a busy signal? Use the poisson approximation to the binomial. (Round your answer to 4 decimal places.)
Determine the earliest and latest start and finish times, the critical path, and the expected project duration. What is the probability that the center will complete its move before the start of the fall semester?
1. for the 16 teams in the national league data is shown for the team batting averages as of august 27 2012.
an inspector correctly identifies defective products 90 of the time. for the next 10 products what is the probability
suppose that we are testing h0 micromicro0 vs. h1 microgtmicro0 with a sample size of n15. calculate bounds on the
Assuming that these numbers are exact and that the sample was randomly chosen from the entire population of interest, give a 90% con?dence interval for the proportion of ?lled MBA positions in Europe.
Let X1,..., Xn be a random sample from a Poisson distribution with parameter λ. Derive a (1 - α)100% large sample con?dence interval for λ.
determine the sample size needed to reject ho if the ratio is 3 times the hypothesized value of 2 variances alpha 0.05
consider the following question.a girl having two siblings is chosen at random. what is the probability that she has no
Suppose that the incidence of MI is 0.005 per year among subjects who are actually take placebo and that aspirin prevents 20% of MIs
a professor gives tests that are either hard medium or easy. if she gives a hard test her next test will be either
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