05-02 Lecture Slides (Final)

Suppose an unbiased coin is flipped three times and

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Unformatted text preview: ¨༊  n༆  Larger samples are more representative of the population than smaller samples A nearby town is served by two hospitals. About 45 babies are born each day in the larger hospital. About 15 babies are born each day in the smaller hospital. Approximately 50% of all babies are boys, as you know. However, the exact percentage of babies who are boys will vary from day to day. Some days it may be higher than 50%, some days it may be lower. For a period of one year, both the larger hospital and smaller hospital recorded the number of days on which more than 60% of the babies born were boys. Which hospital do you think recorded more such days? A. the larger hospital B. the smaller hospital C. About the same Sample Size and Representativeness n༆  Gambler’s fallacy An instance of small- sample fallacy An erroneous belief that an event that has not occurred for a while...
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