They have a magnificent team. These people are always kind and willing to listen to your concerns or issues. Better yet, your assignment is always ready before the time, they usually send you a draft to double-check before they finalize your paper.
Interpreting a Decision In Exercises 43– 48, determine whether the claim represents the null hypothesis or the alternative hypothesis. If a hypothesis test is performed, how should you interpret a decision that
(a) rejects the null hypothesis?
(b) fails to reject the null hypothesis?
43. Swans A scientist claims that the mean incubation period for swan eggs is less than 40 days.
44. Hourly Wages A government agency claims that more than 75% of full-time workers earn over $538 per week. (Adapted from U.S. Bureau of Labor Statistics)
45. Lawn Mowers A researcher claims that the standard deviation of the life of a certain type of lawn mower is at most 2.8 years.
46. Gas Mileage An automotive manufacturer claims that the standard deviation for the gas mileage of its models is 3.9 miles per gallon.
47. Health Care Visits A researcher claims that less than 16% of people had no health care visits in the past year. (Adapted from National Center for Health Statistics)
48. Calories A sports drink maker claims that the mean calorie content of its beverages is 72 calories per serving.
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