- Arts & Culture 5856
- Business & Economics 679
- Computers 309
- Dictionaries & Encyclopedias 81
- Education & Science 74764
- 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 17537
- Foreign Languages 11
- Geography 2
- Geology 1
- History 89
- Maps & Atlases 4
- Mathematics 13794
- 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 695
- House, Family & Entertainment 107
- Law 132
- Website Promotion 71
DHS 18.1 - Option 28. Decisions Ryabushko AP
Refunds: 0
Uploaded: 09.11.2016
Content: 28v-IDZ18.1.doc 99,5 kB
Product description
Solve the following problems (1 - 6)
1.28. Of the group of students of Faculty of Civil Engineering in 16 people formed two construction brigades 10 and 6 people. In how many ways you can create these teams?
2.28. The chess tournament involved 20 people, which are distributed by lot in two groups of 10 people. Find the probability that the two strongest chess players will play in different groups.
3.28. Computing Center, which should produce a continuous processing of incoming information has two computing devices. It is known that the probability of failure for a time T for each of them is 0.2. Find the probability of failure-free operation in the time T a) of each device; 6) at least one device; c) a single device.
4.28. At the site where the bolts are made, the first machine produces 25% of the second - 35, the third - 40% of all products. The products of each of the machines marriage is respectively 5, 4 and 2%. Find the probability that: a) a bolt taken at random - defective; b) randomly taken defective bolt is made on the third machine.
5.28. The probability of hitting the target is 0.3. Simultaneously, six bombs dropped. Find the probability that the target is: a) four bombs; b) at least four bombs; c) not more than four bombs.
6.28. The germination of seeds of this plant is 0.9. Find the probability that out of 900 planted germinated seed number will be entered into between 790 and 830.
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 |