Question

thirty percent of primary care doctors think their patients receive unnecessary medical care. If required, round your answer to four decimal places. (a) Suppose a sample of 300 primary care doctors was taken. Show the distribution of the sample proportion of doctors who think their patients receive unnecessary medical care. np = n(1-p) = E(p) = σ(p) = (b) Suppose a sample of 500 primary care doctors was taken. Show the distribution of the sample proportion of doctors who think their patients receive unnecessary medical care. np = n(1-p) = E(p) = σ(p) = (c) Suppose a sample of 1,000 primary care doctors was taken. Show the distribution of the sample proportion of doctors who think their patients receive unnecessary medical care. np = n(1-p) = E(p) = σ(p) = (d) In which of the preceding three cases, part (a) or part (b) or part (c), is the standard error of p smallest? Why? The standard error is the smallest in because p is in parts (a), (b), and (c) and the sample size is largest in .

Answer 1