Answered: Consider

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

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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

Expert Solution