Question: A poll conducted to leam about attitudes toward investment and retirement asked male and female respondents how important they felt level of risk was in choosing a retirement investment. The following joint probability table was constructed from the data provided. "Important" means the respondent said level of risk was either important or very important.

a. What is the probability that a surrey respondent will say level of risk is important?

b. What is the probability that a male respondent will say level of risk is important?

c. What is the probability that a female respondent will say level of risk is important?

d. Is the level of risk independent of the gender of the respondent? Why or why not?

e. Do male and female attitudes toward risk differ?