Mathematics, 01.10.2019 16:30 kcnawlay170
Pollution of the rivers in the united states has been a problem for many years. consider the following events: a: the river is polluted, b: a sample of water tested detects pollution, c : fishing is permitted. assume p(a) = 0.3, p(b|a) = 0.75, p(b|ac ) = 0.2, p c|a∩b = 0.2, p c|ac∩b = 0.15, p c|a∩bc = 0.8 and p c|ac ∩ bc = 0.9, then find (1) p(a ∩ b ∩ c) (2) p(bc ∩ c) (3) p(c) (4) find the probability that the river is polluted, given that fishing is permitted and the sample tested did not detect pollution. hint: de-morgan’s law (a ∩ b) c = ac ∪ b
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Mathematics, 21.06.2019 21:30
Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract
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Mathematics, 22.06.2019 02:50
1. how do you find p(a and b) if a and b are dependent events for two or more actions, such as selecting two candies and drawing p(green, and then pink)?
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Mathematics, 22.06.2019 03:00
The biologist has a second culture to examine. she knows that the population of the culture doubles every 15 minutes. after 1 hour and 15 minutes, her assistant found that 80,000 bacteria were present. a) what was the size of the initial population? b) predict the size of the culture at t=3 hours. what was the size of the population at 40 minutes? explain and justify your answers. c) create a graph of the population as a function of time. find an equation that can be used to predict the size of the population at any time t. d) examine the rate at which the bacteria culture is growing. how fast is the culture growing after 1 hour? after 1.5 hours? after 2 hours? use a time interval of h = 0.01 hours to estimate these rates. interpret these rates in terms of the context of the problem situation. how do these three rates compare?
Answers: 1
Mathematics, 22.06.2019 04:00
Use order of operations to solve. (24 divided 3) + 3.5 + 3 power of 3
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Pollution of the rivers in the united states has been a problem for many years. consider the followi...
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