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

Reviews

Write a Review

Basic Statistics Questions & Answers

  Finding plausible value for correlation

Find out a plausible value r for correlation between vehicle weight and miles per gallon (mpg) shown in the scattergram below?

  Probability of success using binomial distribution

Consider binomial distribution with 14 identical trials, and probability of success of 0.4.

  Probability that the average score of the 36 golfers

The average score of all pro golfers for a particular course has a mean of 70 and a standard deviation of 3.0. Assume 36 golfers played the course today. Find the probability that the average score of the 36 golfers exceeded 71.

  Determining probability to reject null hypothesis

Determine the probability that we would reject null hypothesis given that it is true?

  Compute spearman rank correlation

Two groups of students are asked to rank their preference for six types of soft drinks. The following table shows their rankings.

  Significance level of guideline

At the .05 significance level, can we conclude that the guideline is still reasonable?

  Cluster sample of chocolate chip cookies

a) Explain why it would be hard to take a Simple Random Sample? b) Describe how to take a cluster sample of chocolate chip cookies.

  Stating about the sample-independent or dependent

A computer is used and it is found that the P-value = 0.0016. What can you state about the sample (independent or dependent) and what can you conclude about the evidence?

  One proportion testing and confidence interval

Find a 99% confidence interval estimate of the proportion of people who say that they voted.

  Randomly selected employee-standard error of proportion

There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly. (a) Determine the standard error of the proportion.

  Relationship between satisfaction and gender

A store asked 250 of its customers whether they were satisfied with the service or not. The responses were also classified according to the gender of the customers. We want to study whether there is a relationship between satisfaction and gender.

  Probability of recycling habbits

One environmental group did a study of recycling habits in a California community. It found that 73% of the aluminum cans sold in the area were recycled. (Round your answers to four decimal places.)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd