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Draw some pictures. Consider the binomial setting with n = 50 and p = 0.4.
(a) The sample proportion p^ will have a distribution that is approximately Normal. Give the mean and the standard deviation of this Normal distribution.
(b) Draw a sketch of this Normal distribution. Mark the location of the mean.
(c) Find a value p* for which the probability is 95% that p^ will be between ±p*. Mark these two values on your sketch.
the overall test of the significance of the difference among groups in an analysis of variance is calleda. a post hoc
Is there reasonable justification for removing humans from the data set? Explain.- Here are the scatterplot and regression analysis for the 17 nonhuman species. Comment on the strength of the association.
twenty-five samples of 100 items each were inspected when a process was considered to be operating satisfactorily. in
consider a continuous time markov chain with three states 123. suppose that v1 2 v2 3 v3 5 and that the embedded
Construct a 95% confidence interval for the proportion of red candies. Using your same data determine if the proportion of green candies in a package of M&Ms is differen than what is claimed by the company.
Find the probability of selecting a male and find the probability of selecting a female manager and compute the probability of selecting a male worker given that he is labor.
Joe is considering pursuing an MBA degree. He has applied to two different universities. The acceptance rate for applicants with similar qualifications is 25% for University A and 40% for University B.
Find the z-score boundaries that separate a normal distribution as described in each of the following: the middle 20% from the 80% n the tails.
What are the characteristics of a bivariate distribution?- What is meant by the statement "Variable X and variable Y are correlated"?
The population standard deviation is known to be 2.5. A survey of 45 campers is taken. The average from the sample is 6.75 with a sample standard deviation of 3.1. Find the 95% confidence interval for the population mean.
Parts, materials and product inventories need to be kept up to date irrespective of their dynamic nature. As a fresh graduate from college document clearly the modern inventory management techniques.
the operator of a large production plant would like to estimate the mean amount of time a worker takes to assemble a
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