Answer Problem 5.23 for a 25-year-old man with an FEV of 4.0 L? Pulmonary Disease Forced expiratory
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Answer Problem 5.23 for a 25-year-old man with an FEV of 4.0 L?
Pulmonary Disease
Forced expiratory volume (FEV) is an index of pulmonary function that measures the volume of air expelled after 1 second of constant effort. FEV is influenced by age, sex, and cigarette smoking. Assume that in 45- to 54-year-old nonsmoking men FEV is normally distributed with mean = 4.0 L and standard deviation = 0.5 L.
In comparably aged currently smoking men FEV is normally distributed, with mean = 3.5 L and standard deviation = 0.6 L.
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Here the mean decline in FEV will be 00350 15 L with sd 00250 10 L ...View the full answer
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