In April of 2011,the Unemployment Rate in Canada Was Reported

In April of 2011,the unemployment rate in Canada was reported to be 7.6%.Suppose that Statistics Canada claims that the current unemployment rate is lower than that of April 2011.To test their belief,they plan to take a random sample size of 1000 people.If they plan to perform the test at α = 0.10 and the unemployment rate is currently 6.1%,what is the power of the test?

A) 0.8674
B) 0.2877
C) 0.9215
D) 0.7123
E) 0.1326