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) :
≤ 280,
:
> 280
B) :
= 280,
:
≠ 280
C) :
≥ 280,
:
< 280
D) :
< 280,
:
≥ 280
Correct Answer:
Verified
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