Parents of children with developmental disorders can apply for federal funding for psychosocial rehabilitation . A government sociologist wants to...

Help. I believe these are right but of course i'd like to check!

Parents of children with developmental disorders can apply for federal funding for psychosocialrehabilitation . A government sociologist wants to know what percentage of applicants for thisfunding are in poverty . She obtains access to all their applications , groups the applications by*state , and takes a simple random sample from each state's applications . Identify the populationof interest to the sociologist .O Applicants for the federal funding who were in poverty*Applicants for the federal fundingO Applicants who received the federal funding*O Applicants whose applications were examinedQuestion ?1 ptsWhich sampling scheme was used by the sociologist of the previous question ?O Cluster sampling*O Convenience samplingSimple random sampling*@ Stratified samplingO Systematic sampling