According to Reader's Digest, 45% of primary care doctors think their patients receive unnecessary medical care. Use the z-table. a. Suppose a sample of 360 primary care doctors was taken. Show the sampling distribution of the proportion of the doctors who think their patients receive unne medical care. E(F) 0.45 (to 2 decimals) (to 4 decimals) b. What is the probability that the sample proportion will be within +0.03 of the population proportion? Round your answer to four decimals. c. What is the probability that the sample proportion will be within ±0.05 of the population proportion? Round your answer to four decimals. d What would be thee effect of taking a lar ger sample on the probabilities in parts (h) and (c12 Why2

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A: From given data we have : n=300 P=0.20 x=57 Sample proportion  p^=xn=57300=0.19

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