A Financial Analyst Maintains That the Risk,measured by the Variance,of

Multiple Choice

A financial analyst maintains that the risk,measured by the variance,of investing in emerging markets is more than 280(%) ².Data on 20 stocks from emerging markets revealed the following sample results: = 12.1% and s² = 361(%) ².Assume that the returns are normally distributed.Which of the following are appropriate hypotheses to test the analyst's claim?

A)
B)
C)
D)