A random sample of 12 lunch orders at Noodles and Company showed a mean bill of $12.99 with a standard deviation of $4.6. Find the 98 percent confidence interval for the mean bill of all lunch orders. (Round your answers to 4 decimal places.) The 98% confidence interval is from
A random sample of 140 items is drawn from a population whose standard deviation is known to be σ = 50. The sample mean is formula127.mml = 780. The 98 percent confidence interval is from?
Find a confidence interval for μ assuming that each sample is from a normal population. (Round the value of t to 3 decimal places and your final answers to 2 decimal places.)
(a) 1formula63.mml = 23, s = 2, n = 7, 90 percent confidence. The 90% confidence interval is
(b) 1formula63.mml = 40, s = 4, n = 16, 99 percent confidence. 99 percent confidence.
(c) 1formula63.mml = 116, s = 11, n = 26, 95 percent confidence. The 95% confidence interval is
Find the margin of error for a poll, assuming that 95% confidence and p = 0.3.
(a) n = 75 (Round your answer to 4 decimal places.)
(b) n = 300 (Round your answer to 4 decimal places.)
(c) n = 750 (Round your answer to 4 decimal places.)
(d) n = 3,000 (Round your answer to 4 decimal places.)
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 more
Each 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 more
Thanks 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 more
Your 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 more
By 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