For the Following Hypothesis Test,where H₀: μ ≤ 10;vs

Multiple Choice

For the following hypothesis test,where H₀: μ ≤ 10;vs.H_A: μ > 10,we reject H₀ at level of significance α 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.