In epidemiology, point prevalence is a measure of the proportion of people in a population who have a disease or condition at a particular time, such as a particular date. It is like a snap shot of the disease in time. It can be used for statistics on the occurrence of chronic diseases.
Chapter 2: Las Vegas! Here we come!. The hotel will cost about $100 a day assuming two people to the room (or $50 per person, per day.) Sometimes less, sometimes more. So four nights will cost $200 per person.Airfare, of course, depends on where you are flying from.But it should be between $100 and $400 round trip. It costs me about $175 round trip from Dallas to Las Vegas.But it can be less.Food in Las Vegas can be incredibly inexpensive ...or incredibly expensive-depending on where you eat. A couple of all-you-can-eat buffet meals per day costs a maximum of $25.We always plan on going to at least one very fine restaurant during our stay ... about $50 per person.ut it can be less.Food in Las Vegas can be incredibly inexpensive ...or incredibly expensive-depending on where you eat. A couple of all-you-can-eat buffet meals per day costs a maximum of $25. We always plan on going to at least one very fine restaurant during our stay ... about $50 per person.
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