(See Steps) Sociology: Dating couples Do Couples get engaged or not? If they are engaged, how long did they date before becoming engaged? A poll of 1000
Question: Sociology: Dating couples Do Couples get engaged or not? If they are engaged, how long did they date before becoming engaged? A poll of 1000 couples gave the following information:
Length of Dating time before engagement
Time Number of couples
Never engaged 200
Less than 1 year 240
1 to 2 years 210
Moe than 2 years 350
- Use the data to estimate the probability of each event for a dating couple chosen at random: The couple is not engaged, dated less than 1 year before getting engaged, dated 1 to 2 years before getting engaged, or dated more than 2 years.
- Do the probabilities of part (a) add up to 1? Why should they? What is the sample space in this problem?
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T-test for Paired Samples - MathCracker.com