Consider the following example survey results of 18-34 year olds in the U.S., 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 that you are an 18-34 year old woman in the U.S.?
From given that ,
The probability of living with family given that you are an 18-34 year old woman in the U.S. is
= P(woman and yes) / P(woman)
= 92 / 253
= 0.3636
Consider the following example survey results of 18-34 year olds in the U.S., in response to...
Consider the following example survey results of 18-to 34-year-olds in the United Stat in response to the question "Are you currently living with your family?": Yes 106 Men Women Totals No 141 161 302 Totals 247 253 500 92 198 a. Develop the joint probability table for these data 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...
Recently, a random sample of 13dash–18 year olds was asked, "How much do you currently have in savings?" The data in the table represent the responses to the survey. Approximate the mean and standard deviation amount of savings. Savings Lower Limit Upper Limit Frequency 0-199 0 199 334 200-399 200 399 92 400-599 400 599 53 600-799 600 799 22 800-999 800 999 9 1000-1199 1000 1199 8 1200-1399 1200 1399 3 ...
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