please help me with these questions

a.instructure.com C + Cengage Digital Learning Topic: Intro Chem-Lec 6... What's an lon? - YouTube is bottle gourd low fodm Points 30 Submitting an external tool work Prabhnoor Kaur Messages Show Intro/Instructio An survey of retirees was conducted to determine their opinion on the the cost of healthcare. The researcher mailed a questionnaire to 2336 retirees and received responses from 358 of them of whom 122 indicated that health care was too expensive. 1. What was the population for this survey? Ocost of health care researchers 358 retirees Call retirees 2. What was the intended sample size? 3. What was the actual sample size? 4. What is the precentage of nonresponse (round your answer to two decimal places)? Preview 5. What are two potential sources of bias with the survey? Ononresponse bias and selection bias Oresponse bias and nonresponse bias there are no sources of bias Oresponse bias and selection bias Licer Points possible: 3 This is attempt 1 of 3. Message instructor about this question SubmitCengage Digital Learning Topic: Intro Chem-Lec 6.. What's an lon? - YouTube is bottle gourd low fo Points 30 Submitting an external tool work Prabhnoor Ka Messages Show Intro/ Instruc Match the name of the sampling method descriptions given. Situations - separating all students by grade level, and selecting 10 students from each grade - ask all the students in your math class choosing every 5th person on a list mc writing everyones name on a playing card, shuffling the deck, then choosing the top 20 cards dividing by population by voting precinct, and sampling everyone in the precints selected Sampling Method a. Stratified b. Convenience c. Systematic d. Cluster e. Simple Random Points possible: 3 This is attempt 1 of 3. Message instructor about this question Submit