In a study at a large hospital the researcher wants to assure that male nurses are adequately represented. At this hospital 5% of the nurses are male. The researcher separates the nurses into female and male hats. He draws 95 female names and 5 male names. This is an example of: Select one: O a. Simple random sampling. O b. Stratified random sampling. O c. Multistage random sampling. O d. Cluster sampling. Clear my choice