# Probability 30421

There are 25 students in the class, 12 of whom are not ready for math. There are five students in the math class. What is the probability of at least 3 being math ready?

### Correct answer:

Tips for related online calculators

#### You need to know the following knowledge to solve this word math problem:

#### Grade of the word problem:

## Related math problems and questions:

- Possible 16243

There are 30 students in the class, three of whom will be tested. How many ways are possible if their order does not matter? - Probability 40131

There are 28 students in the IK3 class. Three pupils will be examined. Nineteen pupils are ready for the exam. What is the probability that all three will be unprepared? - Competition 73174

There are 10 students in the class, of which 8 are girls and two are boys. We want to select three for the competition. What is the probability that they will be: a) 2 girls and 1 boy b) 1 girl and 2 boys c) 3 girls d) 3 boys e) at least 2 girls - Classroom

Of the 26 pupils in the classroom, 12 boys and 14 girls, four representatives are picked to the odds of being: a) all the girls b) three girls and one boy c) there will be at least two boys - Pass a test

The student has to pass a test that contains ten questions. For each of them, he chooses one of 5 answers, with just one being correct. The student did not prepare for the test, so he randomly chose the answers. What are the probabilities that the student - Six questions test

There are six questions in the test. There are three answers to each - only one is correct. To take the exam, students must answer at least four questions correctly. Alan didn't learn, so he circled the answers only by guessing. What is the probability th - Activities 2547

There are 28 students in the class. Twenty-one of them is involved in-ring activities. What part of the class does not attend the circle? - Students 45261

There are 200 pupils in the class, 40% of whom cannot swim. How many students can swim? - Probability 68584

There are five whites and nine blacks in the destiny. We will choose three balls at random. What is the probability that a) the selected balls will not be the same color, b) will there be at least two blacks between them? - There

There are 24 students in the class. On Friday, the math class is divided into two groups of 12 students. The table shows the results of pupil assessment in 2 groups. Three students in the 1st group had a worse grade than those in the 2nd group. The other - Study results

There are seven students in the class with excellent results, six praiseworthy, five good, four sufficient, and three insufficient students. What is the probability that it will be a good student when summoned? - Marks at school

There are 30 students in the class. Five students in the class had a mark of three or triple at the end of the math certificate, and the other students had a mark of one or two. The average mark in all students' mathematics in the class at the end of the - Probability 80860

During the exam, the student takes 3 questions out of 20. He is ready for 14 of them. Find the probability that he draws at least one that he knows. - Math class

There are a total of 30 students in a math class. The number of boys is 2 more than 3 times the number of girls. How many boys are in this math class? - School year

At the beginning of the school year, 396 notebooks and 252 textbooks were ready to be distributed in the classroom. All pupils receive the same number of notebooks and the same amount of textbooks. How many pupils are there in the class if you know that t - Percentage 5371

There are 32 pupils in the class. A quarter of them attends a computer course. What percentage of the total number of students in the class do not attend a computer course? - Gymnasiums 5550

Half of the 9th-grade students want to study at secondary technical schools, a quarter at vocational schools, a sixth at gymnasiums, and 3 students do not wish to continue their studies. How many pupils are there in the class?