Statistics In Health

1. Survey 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information.

Left handed Right handed Total Female Male Total

1. Answer the following questions about the information in your contingency table:
   1. If a person is randomly selected from the survey participants, what is the probability that the person will be left-handed?
   2. If you randomly choose a female from the people you surveyed, what is the probability that she is left-handed?
   3. What is the odds ratio of choosing a left-handed female?
   4. What is the relative risk of choosing a left-handed female?
   5. two references require