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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
ACNielsen is a New York–based corporation and a member of the modern marketing research industry. One of the items that ACNielsen tracks is the expenditure on over-the-counter (OTC) cough medicines. ACNielsen recently indicated that consumers spent $620 million on OTC cough medicines in the United States. The article also indicated that nearly 30 million visits for coughs were made to doctors’ offices in the United States.
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a. Determine the average cost of OTC cough medicines per doctor’s office visit based on 30 million purchases.
b. Assuming that the average cost indicated in part a is the true average cost of OTC cough medicines per doctor’s visit and the standard deviation is $10, determine the probability that the average cost for a random selection of 30 individuals will result in an average expenditure of more than $25 in OTC cough medicines.
c. Determine the 90th percentile for the average cost of OTC cough medicines for a sample of 36 individuals, all of whom have visited a doctor’s office for cough symptoms. Computer Database Exercises
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