Question: Quality Progress, February 2005, reports on improvements in customer satisfaction and loyalty made by Bank of America. A key measure of customer satisfaction is the

Quality Progress, February 2005, reports on improvements in customer satisfaction and loyalty made by Bank of America. A key measure of customer satisfaction is the response (on a scale from 1 to 10) to the question: "Considering all the business you do with Bank of America, what is your overall satisfaction with Bank of America?" Here, a response of 9 or 10 represents "customer delight." Suppose that the survey selected 390 customers. Assume that 44% of Bank of America customers would currently express customer delight. That is, assume p =.44. (a) Find the probability that the sample proportion obtained from the sample of 390 Bank of America customers would be within three percentage points of the population proportion. That is, find A.41

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I know the person. We go back a long time. No way do I want to complain to my friend.

Th e last time I complained, nothing happened.

Th ey could have made my situation worse.