![subject](/tpl/images/cats/mat.png)
Mathematics, 21.06.2021 16:40 krlx
Suppose an test consisted of 10 multiple choice problems, each with five possible responses (A-E), only 1 of which is correct. If a student randomly guesses the answers to each question then what is the probability that a student guesses the correct answer to exactly 7 questions?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Which expression is equivalent to (5x^7+7x^8) β (4x^4β2x^8)? a. 9x^8 + 5x^7β4x^4 b. 3x^8 + 7x^7 c. 12x^8 β 2x^4 d. 5x^8 + 5x^7 + 4x^4
Answers: 1
You know the right answer?
Suppose an test consisted of 10 multiple choice problems, each with five possible responses (A-E), o...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 28.07.2020 17:01
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 28.07.2020 17:01
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 28.07.2020 17:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 28.07.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 28.07.2020 17:01
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 28.07.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 28.07.2020 17:01
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 28.07.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 28.07.2020 17:01