19. D o you think the government protects investors adequately? This question wa

Question

19. D o you think the government protects investors adequately? This question was part of an online survey of investors under age 65 living in the United States and Great Britain Pinancial Times/Harris Poll, October 1, 2009). The numbers of investors from the United States and Great Britain who answered Yes, No, or Unsure to this question are provided below. Response Yes No Unsure United States 187 334 256 Great Britain 197 411 213 Estimate the probability that an investor in the United States thinks the government is not protecting investors adequately. Estimate the probability that an investor in Great Britain thinks the government is not protecting investors adequately or is unsure the government is protecting investors adequately For a randomly selected investor from these two countries, estimate the probability that the investor thinks the government is not protecting investors adequately. Based on the survey results, does there appear to be much difference between the perceptions of investors in the United States and investors in Great Britain regarding the issue of the government protecting investors adequately? a. b. c. d.

Explanation / Answer

Solution

(a) P(US govt not protecting investors) = 334/(187+334+256+197+411+213) = 334/1598 = 0.2090

(b) P(Great Britain gove not protecting or unsure) = (411+213)/1598 = 0.3905

(c) P(not protecting) = (334+411)/1598 = 0.4662

(d) There is not much difference they are approximtely equal

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