10. In a group of 40 students 8 are seniors, and 9 are juniors. of the...
In a statistics class there are 11 juniors and 6 seniors; 2 of the seniors are females; 6 of the juniors are males. If a student is selected at random, what is the probability that the student is either a junior or a female? Enter your answer as a fully reduced fraction.
One student is selected at random from a group of 20 freshmen, 5 sophomores, 10 juniors, and 15 seniors. Find the probability that the person selected is: (a) a freshman, (b) not a sophomore, (c) a junior or a senior.
n a statistics class there are 11 juniors and 8 seniors; 4 of the seniors are females; 6 of the juniors are males. If a student is selected at random, what is the probability that the student is ether a senior or a fernale? Enter your answer as a fully reduced fraction.
9. A study group is to be selected from a group of 16 students. The group consists of 5 freshmen, 7 sophomores, and 4 juniors. a) In how many ways can a group of 6 students be selected from this group? b) If the study group is to consist of 2 freshmen, 3 sophomores, and 1 junior, how many different groups are possible? c) What is the probability that a group of 6 students will consist of 2 freshmen, 3...
A class of 22 students, 7 are seniors and 15 are juniors. In how many ways can we choose a group of 6 people if. . . (a) three are to be selected from seniors and three from juniors? (b) at least three are to be selected from juniors? (c) Ashley (one of the 22 students) must be included in the group (with no additional requirements)? (d) 3 of the selected students must be assigned the jobs of writer, presenter,...
4. From a group of 3 freshmen, 4 sophomores, 4 juniors, and 3 seniors a committee of size 4 is randomly selected. Find the probability that the committee will consist of [5 pts] (i) 1 from each class (ii) 2 sophomores and 2 juniors; (iii) only juniors or seniors.
Please Solve Correctly ASAP. A class consist of 55 students, 20 are juniors, 5 are seniors, and 15 are sophomore freshman 5 are to be selected as president, vice president, treasure, secretary and minister. Find the probability that the five selected are All Seniors All juniors
Please Solve correctly ASAP. A class consist of 55 students, 20 are juniors, 5 are seniors, and 15 are sophomore freshman If the class is to be divided into groups of 5,10,15,7,2,1 and 15 (order does not matter in the group) Find the probability that all people in the 10 group are sophomore.
Questions 4- 7 refer to the following. Our Eco 320 course consists of sophomores and juniors. Ten percent of the students who take Econ 320 fail the course. Among those students who pass, 25 % are sophomores. 7.5% of the students are juniors who failed the class. Of those who pass, 20 % will receive an A for the course. What is the probability that a randomly selected student will be a junior? (10 points) 4. 225 25 .675 70...
A student dormitory at a particular college consists of the following: I. 40% are freshman of whom 15% own a car 2. 30% are sophomores of whom 25% own a car 3. 20% are juniors of whom 40% own a car 4. 10% are seniors of whom 60% own a car. A student is randomly selected from the dormitory a. Find the probability that a student owns a car. b. Ifa student owns a car, find the probability that the...