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From a group of 8 women and 6 men, a committee consisting of 3 men and 3 women is to be formed. How many different committees are possible if
(a) two of the men refuse to serve together?
(b) two of the women refuse to serve together?
(c) one man and one woman refuse to serve together?
the statistical abstract of the united states reports that the mean daily number of shares traded on the nyse in 2002
In your own opinion should people trust statistical prediction? Use an example to illustrate your opinion.
What is a 99% confidence interval for the true proportion of dentists in the population that would make such a recommendation?
when conducting a hypothesis test with chi-square analysis the null hypothesis is rejected when the differences between
Suppose that 10 dice are thrown and we are told that among them at least one has landed 6. What is the probability that there are two or more sixes?
a sample of 64 is taken from a large populatio. the population has a mean of 200 and a standard deviation of 20a
Assuming these data are normally distributed, what is the z score for students studying 45 minutes per week?
Suppose that the population standard deviations are known to be 6 and 3, respectively. Conduct a hypothesis test to the manufacturers claim.
What is the probability for the given frequency distribution?
What is the expected value of the sampling distribution model for the proportion of 480 freshmen that will return to the same school for their sophomore year?
Before computing the correlation, state the null hypothesis and alternative hypothesis in words (not formulas).
The? quality-control manager at a compact fluorescent light bulb? (CFL) factory needs to determine whether the mean life of a large shipment of CFLs is equal
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