2013-Quiz 2 - Name Statistical Analysis Quiz 2(15 points Please DO NOT use any excel or write any excel formulas on this quiz SECTION F4 1 A local

2013-Quiz 2 - Name Statistical Analysis Quiz 2(15 points...

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Name _______________________________________ Statistical Analysis Quiz 2 (15 points) Please DO NOT use any excel or write any excel formulas on this quiz SECTION F4 1. A local coffee shop notices that, on an average 10 people enter the shop every 30 minutes. The variance is also 10. Assume that the number of arrivals follows a Poisson distribution and that the given mean and variance are population parameters. a. Determine the probability of 7 people arriving in a 15 minute interval. (3 points) b.What is the probability that more than 14 people will arrive in half an hour?(3 points)
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c. What is the distribution of all possible samples of size 100 from this population? What is the mean of all possible samples of size 100? What is the standard deviation of all possible samples of size 100? (3 points) d. If you take one random sample of size 100, you find that the sample mean is
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