- Arts & Culture 5856
- Business & Economics 679
- Computers 309
- Dictionaries & Encyclopedias 81
- Education & Science 74780
- Abstracts 100
- Astrology 4
- Astronomy 1
- Biology 8
- Chemistry 1982
- Coursework 15184
- Culture 9
- Diplomas 414
- Drawings 817
- Ecology 5
- Economy 84
- English 75
- Ethics, Aesthetics 3
- For Education Students 17543
- Foreign Languages 11
- Geography 2
- Geology 1
- History 89
- Maps & Atlases 4
- Mathematics 13804
- Musical Literature 2
- Pedagogics 19
- Philosophy 23
- Physics 14735
- Political Science 5
- Practical Work 59
- Psychology 60
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sexology 42
- Sociology 9
- Summaries, Cribs 87
- Test Answers 145
- Tests 8962
- Textbooks for Colleges and Universities 32
- Theses 7
- To Help Graduate Students 13
- To Help the Entrant 37
- Vetting 361
- Works 13
- Информатика 10
- Engineering 3059
- Fiction 696
- House, Family & Entertainment 107
- Law 132
- Website Promotion 71
DHS 18.1 - Option 23. Decisions Ryabushko AP
Refunds: 0
Uploaded: 09.11.2016
Content: 23v-IDZ18.1.doc 98,5 kB
Product description
Solve the following problems (1 - 6)
1.23. The trade union of the Faculty Office, which consists of 9 members, at its meeting shall elect a chairman, deputy chairman and treasurer. How many different occasions when this can be?
2.23. An urn 3 white and 7 black balls. What is the probability that a randomly extracted two balls will be black?
3.23. Three machines operate independently from each other. The probability that the first machine for the change fails, equal to 0.1, the second - and third 0.2 - 0.3. Find the probability that, during the change will fail: a) at least two machines; b) two machines; c) three machines.
4.23. The computer lab of 40% and 60% of calculators displays. When calculating the 90% and 80% of calculators displays running smoothly, a) Find the probability that a randomly taken computer will run smoothly at the time of calculation, b) the selected machine worked flawlessly during the calculation. What is the type most likely it belongs to?
5.23. The probability of hitting the target with one shot is equal to 0.8. Made 7 shots. Find the probability that there had been: a) Four defeats the purpose; b) six defeats; c) no more than six lesions.
6.23. The probability of occurrence of an event in each of the independent trials is 0.8. Find the probability that the event occurs 100 test not less than 70 and not more than 80 times.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
For the convenience of viewing IDZ solutions on smartphones, an additional file in PDF format is sent
Feedback
0Period | |||
1 month | 3 months | 12 months | |
0 | 0 | 0 | |
0 | 0 | 0 |