In April of 2011, the unemployment rate in Canada was reported to be 7.5%. Suppose that Statistics Canada claims that the current unemployment rate is lower than that of April 2011. Suppose a test was conducted on current unemployment and a random sample size of 800 found an unemployment rate at 6.6%. Test an appropriate hypothesis and state your conclusion. Use a significance level of 2.0%. (a) What are the null and alternative hypotheses? Ho: p 3 = 0.075 HA: p 3