Mathematics, 27.11.2019 03:31 shartman22
Teenage drivers pay more for automobile insurance than older drivers. also, many insurance companies offer discounts for teenage drivers that achieve good grades. assume that 20% of all teenage drivers are involved in accidents each year. assume that 10% of all teenage drivers have gpas that are 3.5 or above. of the teenage drivers involved in accidents, only 5% of them have gpas that are 3.5 or above. a) let a be the event that a teenager has a gpa of 3.5 or above. let b be the event that a teenage driver is involved in an accident this year. find p(a) and p(b).b) find p(a given b)c) find the probability that a randomly chosen teenage driver has a gpa of 3.5 or above and is involved in an accident this year.
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Mathematics, 21.06.2019 20:40, jaydenrobinettewca
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Mathematics, 21.06.2019 22:10, 666isabella666
Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min
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