Do you think the government protects investors adequately? This problem was part of an online survey of investors under age 65 living in the United States and Great Britain (Financial Times/Harris Poll, October 1, 2009). The number of investors from the United States and the number of investors from Great Britain who answered Yes, No, or Unsure to this problem are provided as follows.

SELF test
Response United States Great Britain
Yes 187 197
No 334 411
Unsure 256 213

a. Estimate the probability that an investor living in the United States thinks the government is not protecting investors adequately.

b. Estimate the probability that an investor living in Great Britain thinks the government is not protecting investors adequately or is unsure the government is protecting investors adequately.

c. For a randomly selected investor from these two countries, estimate the probability that the investor thinks the government is not protecting investors adequately.

d. Based upon the survey results, does there appear to be much difference between the perceptions of investors living in the United States and investors living in Great Britain regarding the issue of the government protecting investors adequately?