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Review Question - QID 214373

QID 214373 (Type "214373" in App Search)
A group of investigators is conducting a study to assess the age of diagnosis for disease X with 1,000 subjects who developed disease X. The mean age of development of disease X is 40 years. The standard deviation for age at the development of the disease is 10 years. How many subjects who contract disease X will contract it between ages 30 and 50?