Twenty-nine percent of primary care doctors think their patientsreceive unnecessary medical care. If required, round your answer tofour decimal places. (a) Suppose a sample of 300 primary caredoctors was taken. Show the distribution of the sample proportionof doctors who think their patients receive unnecessary medicalcare.
|
| |
| (b) | Suppose a sample of 500 primary care doctors was taken. Showthe distribution of the sample proportion of doctors who thinktheir patients receive unnecessary medical care. |
| |
| |
| (c) | Suppose a sample of 1,000 primary care doctors was taken. Showthe distribution of the sample proportion of doctors who thinktheir patients receive unnecessary medical care. |
| |
| |
| (d) | In which of the preceding three cases, part (a) or part (b) orpart (c), is the standard error of p smallest? Why? | The standard error is the smallest in (part a, b or c?) becausep is (the same or not the same) |
in parts (a), (b), and (c) and the sample size is largest in(part a, b or c?) |
