What is the probability that one girl and two boys are selected?

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is: Let , S – sample space E – event of selecting 1 girl and 2 boys. = 2300. n (E) = 10 C 1 × 15 C 2 = 1050.

How many ways can two girls be randomly selected from 9 students?

There are 11 boys and 9 girls. To find the probability of randomly selecting two students who are both girls. There are 11+9 = 20 students.Two students can be randomly selected from 20 in 20C2 = 20*19/2 = 190 ways. Since the there are 9 girls , the number of ways of selecting the girls from 9 students = 9C2 = 9*8/2 = 36.

What is the probability that a person has a high school certificate?

Answer. Required probability = 1 – P (4) – P (5) 11. In a sample study of 642 people, it was found that 514 people have a high school certificate. If a person is selected at random, find the probability that the person has a high school certificate. Answer.

What is the probability of not getting 4 or 5?

In a throw of a die, find the probability of not getting 4 or 5. Answer. Required probability = 1 – P (4) – P (5) 11. In a sample study of 642 people, it was found that 514 people have a high school certificate. If a person is selected at random, find the probability that the person has a high school certificate.

What are the names of the 10 babies in order?

Male name Female name; 1: Liam: Olivia: 2: Noah: Emma: 3: Oliver: Ava: 4: Elijah: Charlotte: 5: William: Sophia: 6: James: Amelia: 7: Benjamin: Isabella: 8: Lucas: Mia: 9: Henry: Evelyn: 10: Alexander: Harper

What is the probability of a New York teenager owning a skateboard?

The probability of a New York teenager owning a skateboard is 0.37, of owning a bicycle is 0.81, and of owning both is 0.36. If a New York teenager is chosen at random, what is the probability that the teenager owns a skateboard or a bicycle?