Mean of the sampling distribution

Assignment Help Basic Statistics

Reference no: EM1394563

According to the College Board's report, the average tuition and fees at four year private colleges and universities in the United States was $18,273 for the academic year 2002 - 2003 and the standard deviation was $2100. For a random sample of 100 four year private U.S. colleges, answer the following:

a. What is the mean of the sampling distribution?

b. What is the standard deviation of the sampling distribution?

c. What is the probability that the mean tuition and fees of the sample is greater than $20,000?

d. What is the probability that the mean tuition and fees of the sample is less than $16,000?

e. What is the probability that the mean tuition and fees of the sample is within $550 of the population mean?

Reference no: EM1394563

Questions Cloud

How phenomena of prosocial behavior-pure altruism associated : Explain how phenomena of prosocial behavior and pure altruism associate to each other and how they vary from each other.

Data collection by cell phones-random sample of households : A cell phone company collects data from a random sample of 500 households. The results indicate that 135 of the households would add an extra cellular number, provided it was offered at a reduced monthly cost.

Explain history of organized crime in united states : "The History of Organized Crime in United States". Can you provide with a basic outline as to how to carry out research. Research in the specific order to have the strong foundation.

Hypergeometric distribution : Suppose that in a population of 10 items, 3 are defective and 7 are not. Suppose that two items are chosen at random for inspection. Let X be the number of defective items inspected. report all probabilities to a minimum of 5 decimal places of acc..

Mean of the sampling distribution : What is the mean of the sampling distribution? What is the standard deviation of the sampling distribution? What is the probability that the mean tuition and fees of the sample is greater than $20,000?

Population mean waiting time : At the 0.05 level of significance, is there evidence to suggest that the population mean waiting time to check out is less than 10.73 minutes?

How caffeine cause a muscle fiber : How can caffeine cause a muscle fiber to contract and generate force, but without generating an end plate potential or action potential of the membrane?

Analyze the pros and cons of cash : Analyze the pros and cons of cash, stock, and combined stock/cash acquisitions and propose the method that minimizes taxes. Support your proposal with examples.

Determining the minimum sample size : The branch manager of a pet supply store wants to study characteristics of customers of his store. In particular, he decides to focus on two variables

User Account

All Pages