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Choose one domestic AND one international challenge facing the United States today. Discuss what they are, how they were created and how we will (if possible) resolve them. When writing your essay, you must use examples and be specific in your ans..
Compute the standard error of the mean and Z scores and determine whether or not there are outliers? Explain - Describe the statistical methods being used and define inferential statistics. Interpret the meaning of p-value.
An internet company has redesigned its website to improve the online experience of its customers. To test whether the new design has improved its customers' experience it has asked people to comment on whether they prefer the new format or not.
construct a normal probability plot for the following sample of observations on coating thickness for low-viscosity
Construct a bar and pie chart to graphically display these data by using Microsoft excel.
A credit card company uses the average daily balance method to calculate its finance charges. Find the finance charge for the month of August (31 days) if the average daily balance for August is $658.58. The annual interest rate is 18%.
a survey of 100 recent fatal traffic accidents showed that 60 were alcohol-related. find the 95 confidence interval of
Assuming an approximately normal distribution of commuting times for those who work at the plant, construct and interpret the 90% and 95% confidence intervals for the mean.
Suppose that a random variable X has a Binomial distribution with parameters n and p. Find E[(1/3)^X].
An organization has N employees where N is a large number. Each employee has one of three possible job classi?cations and changes classi?cations (independently) according to a Markov chain with transition probabilities
Mention the critical value of test statistic (Or give the p-value of the test.)
suppose there are 2 customers in the checkout line at marios used book emporium. each customer buys a number of books
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