Short Answer
The 2006 GSS asked respondents how many siblings they have. The mean number of siblings was 3.76 with a standard deviation of 3.178. Use this information to answer the following questions:
a. What number of siblings falls at the 50th percentile?
b.What is the z-score associated with a raw score of 2 siblings?
c.What is the z-score associated with a raw score of 6 siblings?
d.What is the probability of selecting arespondent with more than 10 siblings?
e.What is the probability of selecting eithera respondent with 2 or fewer siblings, or arespondent with more than 5?
f.What is the probability of a respondent having between 2 and 5 siblings?
Correct Answer:
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a.3.76
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Correct Answer:
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b.-...
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