Prоvide аn аpprоpriаte respоnse.The mean monthly gasoline bill for one household is greater than $160. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?
Prоvide аn аpprоpriаte respоnse.To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed. The FDA tests on this cigarette gave a mean nicotine content of 27.1 milligrams and standard deviation of 2.6 milligrams for a sample of n = 9 cigarettes. The FDA claims that the mean nicotine content exceeds 31.0 milligrams for this brand of cigarette, and their stated reliability is 99%. Do you agree?