For the Following Hypothesis Test Where H₀: ? ? 10 $\alpha$

Multiple Choice

For the following hypothesis test where H₀: ? ? 10 vs.H_a: ? > 10,we reject H₀ at level of significance $\alpha$
And conclude that the true mean is greater than 10 when the true mean is really 8.Based on this information we can state that we have:

A) Made a Type I error
B) Made a Type II error
C) Made a correct decision
D) Increased the power of the test
E) Decreased the power of the test