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# Lecture10 - GEM2900 Understanding Uncertainty Statistical...

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GEM2900: Understanding Uncertainty & Statistical Thinking DSAP, NUS, Semester 1, 2008/2009 – 1 GEM2900: Understanding Uncertainty & Statistical Thinking Berwin Turlach [email protected] Department of Statistics and Applied Probability National University of Singapore

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CA #02, Task 2 GEM2900: Understanding Uncertainty & Statistical Thinking DSAP, NUS, Semester 1, 2008/2009 – 96 Assume you toss a coin such that at each toss the probability of obtaining head or tail is equally likely, and the outcome of any one toss is not influenced by the outcome of any other toss. Let p 1 be the probability that you observe exactly 10 heads and 10 tails if you toss the coin 20 times. Let p 2 be the probability that you observe exactly 50 heads and 50 tails if you toss the coin 100 times. A p 1 is larger than p 2 B p 1 is smaller than p 2 C p 1 and p 2 are equal A B C 0.0 0.2 0.4 0.6 0.8
CA #02, Task 3 GEM2900: Understanding Uncertainty & Statistical Thinking DSAP, NUS, Semester 1, 2008/2009 – 97 Linda is thirty–one years old, single, outspoken and very bright. She majored in philosophy. As a student she was deeply concerned with issues of discrimination and social justice and participated in anti-nuclear demonstrations. Which of the following two alternatives is more probable? A Linda is a bank teller. B Linda is a bank teller and active in the feminist movement. A B 0.0 0.2 0.4 0.6 0.8

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CA #02, Task 3 (cont.) GEM2900: Understanding Uncertainty & Statistical Thinking DSAP, NUS, Semester 1, 2008/2009 – 98 Should the word and
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