Originating medicate companies invent medications and give each drug 2 names, the brand name and the generic wine name. The brand name is apparently what the manufacturer calls the product and the generic name represents the chemical mingled of the drug. It takes legion(predicate) years, at least 20, before a drug put forward be manufactured as a generic; this is receivable to the patents that are put on the stark naked medications. magic spell researching it is found that he volume of generic prescriptions, twain new and re modify, as found to be everywhere 41% in 1999. A sample has been conducted by hurry a announce of all medications fill up in genius day, comprised of new and refilled prescriptions, at Foodtown Pharmacy in Lambertville, Michigan. The sample was interpreted from 301 prescriptions filled, of which 101 were filled with generic medication; the sample was conducted on January 27, 2003. With this information we can conclude whether or non 41% or more of prescriptions in the sample area are filled with generic medications in 2003. Variables n = 307 Â Â Â Â Â Â Â Â = = 0.329 a = 0.05 Â Â Â Â Â Â Â Â po = 0.41 tonicity 1: Null and Alternative Hypothesis The null venture is the tested sample relation being equal or slight than 41%. The alternative hypothesis is our sample proportion being greater than 41%. A one-tail test must(prenominal) be utilise in order to conclude whether or not more than 40% of prescriptions are filled with generic medication. Ho : p ? 0.
41 Ha : p > 0.41 measurement 2: analyze Statistic The population pro portion test statistic must be functiond du! e to the statistic that has been selected to test, because it is a percentage. We therefore use the following equating to compute the Z-value: = Â Â Â Â Â Â Â Â The following is a bell shape curve that describes the entropy that has just been calculated: a = 0.05 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0.4981 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0... If you call for to get a full essay, order it on our website:
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