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According to Readers Digest, 49% of primary care doctors think their patients receive unnecessary medical care....

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Statistics

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.

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