According to Readers Digest, 49% of primary care doctors thinktheir patients receive unnecessary medical care. Use z-table.
a. Suppose a sample of 290 primary care doctorswas taken. Show the sampling distribution of the proportion of thedoctors who think their patients receive unnecessary medicalcare.
E(p)=
O(p)=
b. What is the probability that the sampleproportion will be within (plus/minus) 0.03 of the populationproportion. Round your answer to four decimals.
c. what is the probability that the samplepoportion will be within (plus/minus) 0.05 of the populationproportion. Round your answer to four decimals.
