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