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2 ue 1 2. A student dormitory at a particular college consists of the following: 40%...
A student dormitory at a particular college consists of the following: I. 40% are freshman of...
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...
According to the record of the registrar’s office at a state university, 35% of the students...
According to the record of the registrar’s office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior and the rest are senior. Among the freshmen, sophomores, juniors and seniors, the portion of students who live in the dormitory are, respectively, 80%, 60%, 30% and 20% Referring to the information above, what is the probability that a randomly selected student is a sophomore who does not live in a dormitory?
One student is selected at random from a group of 20 freshmen, 5 sophomores, 10 juniors,...
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.
The probability that s student owns a car is 0.65, and the probability that a student...
The probability that s student owns a car is 0.65, and the probability that a student owns a computer is 0.80. If the probability that a student owns both is 0.55, what is the probability that a randomly selected student owns a car or computer? Write your answer as decimal. Question 4 In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females and 12 of juniors are males. If a student is selected...
Of students at a particular university: 20% are freshmen 22% are sophomores 23% are juniors 28%...
Of students at a particular university: 20% are freshmen 22% are sophomores 23% are juniors 28% are seniors 7% are graduate students. Additionally, 60% of students are female. You may assume that being female is independent of the above classifications. If a student is selected at random, what is the probability the selected student will be a freshman AND female?
Questions 4- 7 refer to the following. Our Eco 320 course consists of sophomores and juniors. Ten percent of the...
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...
Of students at a particular university: 20% are freshmen 22% are sophomores 23% are juniors 28%...
Of students at a particular university: 20% are freshmen 22% are sophomores 23% are juniors 28% are seniors 7% are graduate students. Note that these classifications are mutually exclusive. Additionally, 60% of students are female. You may assume that being female is independent of the above classifications. If a student is selected at random, what is the probability the selected student will be either a freshman or a sophomore? Group of answer choices None of the other choices represent a...
10. In a group of 40 students 8 are seniors, and 9 are juniors. of the...
10. In a group of 40 students 8 are seniors, and 9 are juniors. of the 14 students in the group who hold academic scholarships 3 are seniors, and 2 are juniors. A student is selected at random. (a) Find the probability the student is a junior who holds an academic scholarship.
(1 point) This problem involves the career plans of students in a biology class. Assume that...
(1 point) This problem involves the career plans of students in a biology class. Assume that the class consists of 40 percent freshmen, 25 percent sophomores, 20 percent juniors, and 15 percent seniors. Assume further that 55 percent of the freshmen, 40 percent of the sophomores, 25 percent of the uniors, and 30 percent of the seniors plan to go to medical school. One student is selected at random from the class. (1) What is the probability that the student...
Of students at a particular university: 20% are freshmen 22% are sophomores 23% are juniors 28%...
Of students at a particular university: 20% are freshmen 22% are sophomores 23% are juniors 28% are seniors 7% are graduate students. Additionally, 60% of students are female. You may assume that being female is independent of the above classifications. If we select students, one at a time, stopping once a female student is selected, what is the probability we will select exactly 2 students?
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...
The probability that s student owns a car is 0.65, and the probability that a student owns a computer is 0.80. If the probability that a student owns both is 0.55, what is the probability that a randomly selected student owns a car or computer? Write your answer as decimal. Question 4 In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females and 12 of juniors are males. If a student is selected...
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...
10. In a group of 40 students 8 are seniors, and 9 are juniors. of the 14 students in the group who hold academic scholarships 3 are seniors, and 2 are juniors. A student is selected at random. (a) Find the probability the student is a junior who holds an academic scholarship.
(1 point) This problem involves the career plans of students in a biology class. Assume that the class consists of 40 percent freshmen, 25 percent sophomores, 20 percent juniors, and 15 percent seniors. Assume further that 55 percent of the freshmen, 40 percent of the sophomores, 25 percent of the uniors, and 30 percent of the seniors plan to go to medical school. One student is selected at random from the class. (1) What is the probability that the student...
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