HELP on an essay that's due later today, this is the rubric we were given

Aresearcher plans to conduct a test of hypotheses at the 1% significance level. she designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. the probability that the researcher will commit a type ii error for the particular alternative value of the parameter at which she computed the power is: a. 0.90. b. 0.01. c. 0.10. d. equal to 1

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

Which property of fossils allow scientists to determine the relative rock ages..