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In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...
Vehicle extrication. Crashed car. Vehicle extrication is the process of removing a patient from a vehicle who has been involved in a motor vehicle collision. [1] Patients who have not already exited a crashed vehicle may be medically (cannot exit a vehicle due to their injuries) or physically trapped [2] and may be pinned by wreckage or simply ...
Vehicle rollover. Not to be confused with Dynamic rollover, the tendency of helicopter to roll when close to the ground. A rollover or overturn is a type of vehicle crash in which a vehicle tips over onto its side or roof. Rollovers have a higher fatality rate than other types of vehicle collisions. [1]
A staged crash, or crash for cash is when criminals maneuver unsuspecting motorists into crashes in order to make false insurance claims. The cars generally suffer little damage in relation to the large demand that is then fraudulently submitted. According to the Coalition Against Insurance Fraud, staged car crashes are a growing criminal ...
These risky driving behaviors are associated with depression as contributing factors to vehicular suicide. [9] Impact velocity may be maximized by exceeding speed limits or by maneuvering into a head-on collision with a heavier and less maneuverable vehicle like a bus or semi-trailer truck. Crash investigators found head-on collisions with ...
Traffic collision. A traffic collision, also known as a motor vehicle collision, or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road debris, or other moving or stationary obstruction, such as a tree, pole or building. Traffic collisions often result in injury, disability, death, and property damage as ...
In Ethiopia, road traffic accident is a serious problem that occurs periodically. The Analyzing Traffic Accident research suggested that there were more than 29,1577 accidents in the past eleven years, including 912,956 kilometers road network and 68,100 motorized vehicles were developed. From 2007/2008 years to 2017/2018 years, the variation ...
The total fatalities figures comes from the WHO report (table A2, column point estimate, pp. 264–271) and are often an adjusted number of road traffic fatalities in order to reflect the different reporting and counting methods among the many countries (e.g., "a death after how many days since accident event is still counted as a road fatality?"