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Question: A sample of 10 yields the following data:
a. Provide a 95% confidence interval for the average y when xp = 9.4.
b. Provide a 95% confidence interval for the average y when xp = 10.
c. Obtain the margin of errors for both part a and part b. Explain why the margin of error obtained in part b is larger than that in part a.
Suppose that a random variable X has a Binomial distribution with parameters n and p. Find E[(1/3)^X].
the heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3
Find the area under the standard normal curve to the right of z = 1.65. Round to four decimal places.
Derive the conditional distributions necessary to implement the Gibbs sampler. Program and run your Gibbs sampler. Use a suite of convergence diagnostics to evaluate the convergence and mixing of your sampler. Interpret the diagnostics
Calculate the probability distribution for the family size lived in by individual people. Describe the shape of this distribution.
The final score in a statistics course follows a normal distribution with mean 68 and standard deviation 12. What proportion of students in the course would pass if they need at least 50 to pass in the course
What is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes?
A student wanted to study the ages of couples applying for marriage licenses in his county. He studied a sample of 94 marriage licenses and found that in 67 cases the husband was older than the wife.
Credit card companies lose money on cardholders who fail to pay their minimum payments. They use a variety of methods to encourage their delinquent cardholders to pay their credit card balances, such as letters, phone calls and eventually the hiri..
weinstein mcdermott and roediger report that students who were givne questions to be answered while studying new
The U.S. government spent more than $2.5 trillion in the 2006 fiscal year. How is this incredible sum of money spent? The following table provides broad categories which demonstrate the expenditures of the Federal government for domestic and defen..
When 6 telephones are received, all of them are free of defects. What is the written description of the complement of the above event?
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