Your Investment Executive Claims That the Average Yearly Rate of Return

Multiple Choice

Your investment executive claims that the average yearly rate of return on the stocks she recommends is at least 10.0%. You plan on taking a sample to test her claim. The correct set of hypotheses is

A) H₀: $\mu$ < 10.0% H_a: $\mu$ $\ge$ 10.0%
B) H₀: $\mu$ $\le$ 10.0% H_a: $\mu$ > 10.0%
C) H₀: $\mu$ > 10.0% H_a: $\mu$ $\le$ 10.0%
D) H₀: $\mu$ $\ge$ 10.0% H_a: $\mu$ < 10.0%