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What was the Underground Railroad? Please explain how this works.
The cost of each book is a random variable with mean 30. What is the expected value of his total expenditure? Find the joint PMF of K and N. Find the marginal PMF of N.
let x and y be independent geometric distributions. u minxy v x - y a show that u and v are independent b find the
in a game you pay 2 to play per game. it is possible to win 2 4 or 8 with respective probabilities 75216 20216 1216.a.
If you were to draw another random sample of 20 observations from the same population, what is the probability that you would find a larger sample mean than the value you calculated in question 1?
Use of linear regression is a critical tool for a managers decision-making ability - Using a level of significance of .01, is there evidence that the out of state students may be receiving lower grades? Fully explain your answer.
determine the named distribution that would best used to find situations and explanation why.a bag containing 60 mampms
How many chicken sandwiches must the restaurant stock to be 99% sure of not running out on a given day?
Figure out the necessary sample size to reduce sampling error to plus or minus $500. Do you need to have an estimate of the current mean income to answer this question? why or why not?
suppose we receive 75 of a certain part from vendor a and 25 from vendor b. vendor as defect rate is 0.01 and vendor
Use a P-value to test the claim about the population mean using the given sample statistics. State your decision for a=0.05. Claim: mean does not = 230
What should be Vrinat's posterior distribution of average rat- ing of foie gras de canard, assuming ratings are normally distributed?
computing the mean and standard errors of sampling distribution.using the central limit theorem find the means and
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