The U.S. Census Bureau announced that the median
sales price of new houses sold in April 2009 was $22 J,6fH).
and the mean sales price was S274.300 (www.census.gO!
newhomesales. July 20. 20(9). Assume that the standal d
deviation of the prices is $90.000.
a. If you select samples of 11 == 2, describe the shape of the
sampling distribution ofX.
b. If you select samples of n = 100, describe the shape ()f
the sampling distribution of X.
c. lfyou select a random sample of 11 = 100, what is the probability
that the sample mean will be less than $300,000′!
d. I f you select a random sample of n = 100, what is the
probability that the sample mean will be between $275,000
and $290,000′:
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.
Read moreEach paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.
Read moreThanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.
Read moreYour email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.
Read moreBy sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.
Read more