quiz%205A_chapter%2017_18_sp08

quiz%205A_chapter%2017_18_sp08 - Stat 119 Quiz 5A Name_ Red...

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Stat 119 Name____________________________ Quiz 5A Red id: __________________________ Use the following information for problems 1-2 Thirteen percent of people are left-handed. A random sample of 12 persons is selected. 1. (2 points) How many left handed people do you expect to find in the sample of 12 persons? 2. (2 points) Find the probability that at least two of the 12 persons is left-handed. Answer 3. (1 point) Which of the following is NOT a property of the binomial distribution? A. There are a fixed number (n) of observations. B. The probability of success and the probability of failure must be equal. C. The observations or trials are independent. D. For each trial only two, mutually exclusive outcomes are possible. Answer Use the following information to answer questions 4-5 At a large computer company, 88% of all employees have a college degree. Suppose a random sample of 410 employees is obtained and 85% of them have a college degree. 4.
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This note was uploaded on 04/08/2008 for the course STAT 119 taught by Professor Helen during the Spring '07 term at San Diego State.

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quiz%205A_chapter%2017_18_sp08 - Stat 119 Quiz 5A Name_ Red...

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