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Mathematics, 09.06.2020 21:57, dmaxbexkham
"A" can solve 90% of the questions in a book and "B" can solve 70% of them.
What is the probability that at least one of them would solve a question selected at random from the
book?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Mathematics, 21.06.2019 20:00, sportie59
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:50, genyjoannerubiera
Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland
Answers: 1
![image](/tpl/images/cats/mat.png)
Do you know the correct answer?
"A" can solve 90% of the questions in a book and "B" can solve 70% of them.
What is the probability...
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