Предмет: Алгебра, автор: zombikot99

В среднем на 50 писем, полученных по электронной почте, приходится 17 с рекламой. Найдите вероятность того,что очередное письмо, полученное по электронной почте будет без рекламы.

Ответы

Автор ответа: missandreeva20

50 - 17=33( письма без рекламы)
33/50= 0,66- это и есть вероятность

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Vladimir State University
Leaving school and entering the University is a step towards future. Many students enter the University to gain a qualification that will form the basis of their future career. Vladimir State University provides a lot of opportunities training engineers, lawyers, economists, psychologists, historians, journalists, museologists and other specialists.
The first and second years are common to all students and provide a foundation in mathematics, computing, social sciences, foreign languages and scientific principles. All courses give students the opportunity to develop IT (information technology), research and communication skills which employers are looking for. Foreign languages are a vital skill in today’s world. The study of foreign languages helps students develop effective communication skills in the language and prepare for a professional career where you may use foreign languages in an international setting, e. g. in business, economics, law or journalism. And thus English, German and French are studied in conjunction29 with a wide range of other subjects. The staff who teach students are themselves professional engineers, economists, lawyers and scientists, each actively engaged in research work as well as teaching. Courses involve different types of learning activity to help students assimilate the material effectively, developing their understanding and skills, moving towards professional independence. These are lectures, seminars, practicals and laboratories, term paper and projects. Lectures, which are one of the basic teaching methods, present information and ideas, often from a variety of viewpoints, encouraging students to ask questions and discuss some of the problems raised. Seminars tend to involve large groups and offer intensive discussions so that students gain the confidence to explain technical issues to others. Practicals and laboratories are a key component in Science and Engineering courses which illustrate the application of theory and allow students to develop the
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Если разрезать торт на 3 части, то одна часть равна 1/3 торта.

Но если 1÷3=0,33333333....
3×0,33333333=0,999999999......

Вопрос: куда делось 0,0000000...1 часть торта?

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