Consider the following example survey results of 18-34 years olds in the United States, in response to the question “Are you currently living with your family?”:   Yes No Totals Men 106 141 247 Women 92 161 253 Totals 198 302 500 What is the probability of living with family given you are 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., 49.4% of 18 to 34 year olds are male, do you consider this a good representative sample? Why?

MATLAB: An Introduction with Applications
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Consider the following example survey results of 18-34 years olds in the United States, in response to the question “Are you currently living with your family?”:

  Yes No Totals
Men 106 141 247
Women 92 161 253
Totals 198 302 500
  1. What is the probability of living with family given you are 18 to 34 year old woman in the U.S.?
  2. What is the probability of an 18 to 34 year old in the U.S. living with family?
  3.  If, in the U.S., 49.4% of 18 to 34 year olds are male, do you consider this a good representative sample? Why?
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