In comparing the effectiveness of sleep-inducing drugs with samples of size 5 for each of the groups, the researchers found a mean of 5.3 hours with the standard drug and a mean of 6.1 with the experimental drug.The common standard deviation was .70 hours.The difference was clinically important, but was not found to be statistically significant.

a.What is the power of picking up this difference (at the .05 level of significance)?