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

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.

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orchestra answered 9 months ago

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