In: Statistics and Probability
According to Readers Digest, 49% of primary care doctors think their patients receive unnecessary medical care. Use z-table.
a. Suppose a sample of 290 primary care doctors was taken. Show the sampling distribution of the proportion of the doctors who think their patients receive unnecessary medical care.
E(p)=
O(p)=
b. What is the probability that the sample proportion will be within (plus/minus) 0.03 of the population proportion. Round your answer to four decimals.
c. what is the probability that the sample poportion will be within (plus/minus) 0.05 of the population proportion. Round your answer to four decimals.