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Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 8CR
Related questions
Question
Consider the following example survey results of 18 - to 34 year olds in the United States, in response to the question "Are you currently living with your family?" Show steps in Excel
a Develop the joint probability table for the data to the right and use it to answer the
following questions.
b What are the marginal probabilities
c What is the probability of living with family given you are an 18 to 34 year old
man in the U.S.?
What is the probability of living with family given you are an 18 to 34 year old woman in the U.S.?
What is the probability of an 18 to 34 year old in the U.S. Living with family?
If, in the U.S., 49.9% of 18 to 34 year olds are male, do you consider this a good
representative sample? Why?
Yes No Totals
Men 106 141 247
Women 92 161 253
Totals 198 302 500
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