AMS 5 Study Guide - Midterm Guide: Briey, Odds Ratio, Scientific Control
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AMS 5 Full Course Notes
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A normal table is on the last page of this exam. You must explain all answers and/or show working for full credit. You can get full marks on this exam without answering these questions. If you do give correct answers, you will get extra marks. You are reminded of the university"s policy on academic misconduct: (2 marks)a large, representative sample of americans was studied by the public health. The percentage of respondents who were left-handed decreased steadily with age, from 10% at 20 years to 4% at 70. If false, how do you explain the pattern in the data: (4 marks)a certain town has 25,000 families. These families own 1. 6 cars, on average; the sd is 0. 9. And 10% of the families have no cars at all. As part of an opinion survey, a simple random sample of 1,500 families is chosen. What is the chance that between 135 and 165 of the sample families will not own cars.
