{"title":"诊断测试","authors":"","doi":"10.1142/9789811228872_0015","DOIUrl":null,"url":null,"abstract":"Math 1010 is a prerequisite for Math 1030. This means that you should have a working knowledge of intermediate algebra. This diagnostic test covers some of this background material. You should give yourself this test and then check your answers with the solution sheet handed out in class on Thursday. 1. Three kinds of apples are all mixed up in a basket. How many apples must you draw (without looking) from the basket to be sure of getting at least two apples of the same kind? Answer: Four since the worst case senario is that you choose three apples, each of a diierent kind, from the barrel originally. Therefore the next one you choose must be the same type as one of the three you have already picked out. 2. There are 150 people in a class. If 80% of them are registered, how many are not registered? Answer: If 80% are registered, then (100-80)%=20% are not registered. Now we solve for what 20% of 150 is by the calculation: 150 0:2 = 30: The answer is that there are 30 people in the class who are not registered. 3. Express \\three-fths\" as a fraction, a decimal, and as a percentage.","PeriodicalId":292274,"journal":{"name":"Statistical Methods for Biomedical Research","volume":"265 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"30","resultStr":"{\"title\":\"DIAGNOSTIC TEST\",\"authors\":\"\",\"doi\":\"10.1142/9789811228872_0015\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Math 1010 is a prerequisite for Math 1030. This means that you should have a working knowledge of intermediate algebra. This diagnostic test covers some of this background material. You should give yourself this test and then check your answers with the solution sheet handed out in class on Thursday. 1. Three kinds of apples are all mixed up in a basket. How many apples must you draw (without looking) from the basket to be sure of getting at least two apples of the same kind? Answer: Four since the worst case senario is that you choose three apples, each of a diierent kind, from the barrel originally. Therefore the next one you choose must be the same type as one of the three you have already picked out. 2. There are 150 people in a class. If 80% of them are registered, how many are not registered? Answer: If 80% are registered, then (100-80)%=20% are not registered. Now we solve for what 20% of 150 is by the calculation: 150 0:2 = 30: The answer is that there are 30 people in the class who are not registered. 3. Express \\\\three-fths\\\" as a fraction, a decimal, and as a percentage.\",\"PeriodicalId\":292274,\"journal\":{\"name\":\"Statistical Methods for Biomedical Research\",\"volume\":\"265 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"30\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Statistical Methods for Biomedical Research\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1142/9789811228872_0015\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Statistical Methods for Biomedical Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1142/9789811228872_0015","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Math 1010 is a prerequisite for Math 1030. This means that you should have a working knowledge of intermediate algebra. This diagnostic test covers some of this background material. You should give yourself this test and then check your answers with the solution sheet handed out in class on Thursday. 1. Three kinds of apples are all mixed up in a basket. How many apples must you draw (without looking) from the basket to be sure of getting at least two apples of the same kind? Answer: Four since the worst case senario is that you choose three apples, each of a diierent kind, from the barrel originally. Therefore the next one you choose must be the same type as one of the three you have already picked out. 2. There are 150 people in a class. If 80% of them are registered, how many are not registered? Answer: If 80% are registered, then (100-80)%=20% are not registered. Now we solve for what 20% of 150 is by the calculation: 150 0:2 = 30: The answer is that there are 30 people in the class who are not registered. 3. Express \three-fths" as a fraction, a decimal, and as a percentage.