{"title":"Biostatistics in the Popular Press","authors":"W. Stansfield, Matthew A. Carlton","doi":"10.1525/ABT.2014.76.7.2","DOIUrl":null,"url":null,"abstract":"Marilyn vos Savant writes a weekly column called “Ask Marilyn” for Parade magazine. In her column of August 18, 2013, she proposed the following problem. Five cats are in a sack: two are tabbies and three are calicos. You let one cat out of the bag, but it runs up a tree before you get a chance to see its color. Then you purposely let out another cat and observe it to be a tabby. What is the probability that the cat in the tree is also a tabby? Marilyn’s answer is 1 chance in 4.\n\nMany readers wrote to Marilyn, arguing that the correct answer should be 2 out of 5 and that observing the one tabby does …","PeriodicalId":50960,"journal":{"name":"American Biology Teacher","volume":"106 1","pages":"429-430"},"PeriodicalIF":0.3000,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"American Biology Teacher","FirstCategoryId":"95","ListUrlMain":"https://doi.org/10.1525/ABT.2014.76.7.2","RegionNum":4,"RegionCategory":"教育学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"BIOLOGY","Score":null,"Total":0}
引用次数: 1
Abstract
Marilyn vos Savant writes a weekly column called “Ask Marilyn” for Parade magazine. In her column of August 18, 2013, she proposed the following problem. Five cats are in a sack: two are tabbies and three are calicos. You let one cat out of the bag, but it runs up a tree before you get a chance to see its color. Then you purposely let out another cat and observe it to be a tabby. What is the probability that the cat in the tree is also a tabby? Marilyn’s answer is 1 chance in 4.
Many readers wrote to Marilyn, arguing that the correct answer should be 2 out of 5 and that observing the one tabby does …
期刊介绍：
The American Biology Teacher is an award winning and peer-refereed professional journal for K-16 biology teachers. Articles include topics such as modern biology content, biology teaching strategies for both the classroom and laboratory, field activities, and a wide range of assistance for application and professional development. Each issue features reviews of books, classroom technology products, and "Biology Today." Published 9 times a year, the journal also covers the social and ethical implications of biology and ways to incorporate such concerns into instructional programs.
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