spring08 homework 2

spring08 homework 2 - boys and four girls? b. What is the...

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ANTH 4000/5000 Spring 08 Homework #2 1. An Irish Catholic neighborhood is known to have 70% of its community opposed to abortion. a. What is the chance that a random sample of five individuals would have one opposed and four in favor of abortion? b. What is the chance that a random sample of five individuals would have three or more opposed? 2. In a human population, the probability of a boy is equal to the probability of a girl at birth (0.5). a. In a family of eight children, what is the probability of exactly four
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Unformatted text preview: boys and four girls? b. What is the probability of four or more girls? c. What is the probability of zero girls? 3. Work the above problems for a population in which the probability for a boy at birth equals 0.3. 4. A student of gorilla behavior determined range size (sq km) for each of eight gorilla families. The sizes are as follows: 12.5, 13.7, 14.6, 7.6, 5.0, 12.9, 14.6, and 13.7. a. Calculate the mean, median, and mode b. Calculate the standard deviation...
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