Concurso Petrobras 2024 - Matemática - Análise Combinatória

#petrobrascultural #cebraspe If your concern regarding the Petrobras exam is learning math, you've just found the solution. Hey everyone!!! Coming soon: Mathematics for the Petrobras Exam Project 👇👇👇👇👇👇👇👇👇👇👇👇👇👇 Mathematics Prophecies for the Petrobras Exam https://hotmart.com/pt-br/club/profes... Mathematics Course - Petrobras 2024 - Information: https://chat.whatsapp.com/FRhZerEKiyC... Download the material for this class: https://drive.google.com/file/d/1btRa... CLASSES ON YOUTUBE Class 01: Spatial Geometry - Cylinder    • Concurso Petrobras 2024 - Matemática - Geo...   Lesson 2: Trigonometry in Right Triangles https://youtube.com/live/Z2GfuSjT2LI?... Lesson 3: Combinatorial Analysis Lesson 4: First-Degree Equation    • Concurso Petrobras 2024 - Matemática - Equ...   Lesson 5: Plane Geometry and Spatial Geometry    • Concurso Petrobras 2024 - Matemática   Lesson 6: Logarithms    • Concurso Petrobras 2024 - Matemática   Lesson 7: Analytic Geometry    • CONCURSO PETROBRAS | GEOMETRIA ANALÍTICA |...   Lesson 8: Exponential Function https://youtube.com/live/93dlTqTvzbw Lesson Lesson 9: Arithmetic Progression    • PROGRESSÃO ARITMÉTICA  - REPRESENTAÇÕES ES...   Lesson 10: https://youtube.com/live/CjsBcqqe9ck?... Lesson 11: Simple Interest, Geometry, Logarithms, Exponential and Arithmetic Progression    • MATEMÁTICA PETROBRÁS  - JUROS SIMPLES - GE...   Questions from this lesson: (Cebraspe-2022) From a group of 10 autopsy technicians, 4 will be selected for special training. Considering text CG4A2-II, the number of ways this delegation of 4 technicians can be formed is equal to: A) 40 B) 210 C) 256 D) 5,040 E) 10,000 Answer: B (Cebraspe-2022) A certain bank has a team of 12 systems analysts, including Antônio and Maria. To meet a specific demand, the head of the sector will assemble a committee with 5 analysts, all with the same function. Based on this hypothetical situation, judge the following item. ( ) There are more than 800 ways to select the analysts who will compose the committee. Incorrect ( ) The number of ways to form committees in which Antônio and Maria do not participate together is greater than 600. Correct ( ) If the chief decides not to summon Antônio or Maria, there will be more than 250 ways to select the committee. Correct (Cebraspe-2022) Consider that in a certain barracks there are seven soldiers and five corporals available. The number of different teams of six people, with three corporals and three soldiers, that can be formed from the available military personnel in that barracks is equal to A) 350 B) 665,280 C) 924 D) 2,520 Answer: A (Cebraspe-2023) Considering that a maintenance team in one of the sectors of an oil platform is composed of 8 painters and 10 welders, judge the following item. ( ) The number of ways to choose a group with 2 painters and 2 welders is less than 1,200. Incorrect ( ) Consider that, after painting a certain area of ​​the platform, the painters need to apply four different types of products over the paint. In this case, if the order of application of the products does not matter, then there are more than 20 different orders in which the products can be applied. Correct (Cebraspe-2022) Given a team of ten employees, including Alberto and Bruna, W is the set of all lists that can be formed with exactly three employees. Based on the previous information, and knowing that, in this case, A is the set of all lists containing Alberto's name and B is the set of those containing Bruna's name, judge the following item. ( ) If a list in W is selected at random, the probability that this list contains the name Bruna, but not Alberto, is less than 10%. Incorrect ( ) W contains more than one hundred elements. Correct