Question

In a class with 20 students, 8 males and 12 females, 5 students are selected. Use...

In a class with 20 students, 8 males and 12 females, 5 students are selected. Use hypergeometric distribution to find that 2 are males and 3 are females.

Homework Answers

Answer #1

N = 20

n = 5

k = 8

P(2 males and 3 females) = 8C2 * 12C3 / 20C5

                                         = 28 * 220 / 15504

                                         = 0.3973

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A class of 40 students, 18 are males and 22 are females. For the final examination,...
A class of 40 students, 18 are males and 22 are females. For the final examination, 3 males and 5 females achieved a letter grade of A. What is the probability that a randomly selected student from the class achieved letter A grade or is a male student? Select one: a. 27/40 b. 22/40 c. 25/40 d. 30/40 e. 13/30
A math class consists of 25 students, 14 female and 11 males. Three students are selected...
A math class consists of 25 students, 14 female and 11 males. Three students are selected at random to participate in a probability experiment. Compute the probability that a male is selected, then two females. a female is selected, then two males. two females are selected, then one male. three males are selected. three females are selected.
1. There are 65 students, 35 females and 30 males in a class. How many ways...
1. There are 65 students, 35 females and 30 males in a class. How many ways to choose 3 students so that 1 of them is male? 2. A student is writing a multiple choice test with 20 questions. Each question has 4 possible answers. The student will randomly choose one of the 4 answers for each question. What is the probability the student answers at least 2 questions correctly? (please answer questions step by step)
There are 24 students enrolled in an introductory statistics class at a small university. As an...
There are 24 students enrolled in an introductory statistics class at a small university. As an in-class exercise the students were asked how many hours of television they watch each week. Their responses, broken down by gender, are summarized in the provided table. Assume that the students enrolled in the statistics class are representative of all students at the university.    (20 pts)     Male 3 1 12 12 0 4 10 4 5 5 2 10 10 6 Female 10...
There is a classroom of students, 12 males and 10 females, of which seven students are...
There is a classroom of students, 12 males and 10 females, of which seven students are chosen at random to go to the board. Give each answer rounded to four decimal places in the form 0.1234. a.) What is the probability that no boys are chosen? b.) What is the probability that the first three students chosen are boys? c.) What is the probability that at least two girls are chosen? d.) What is the probability that at least three...
Thanks!! Question 1. (Multinomial and multivariate hypergeometric distribution. See Lecture 26.) In a mixed MathStats class...
Thanks!! Question 1. (Multinomial and multivariate hypergeometric distribution. See Lecture 26.) In a mixed MathStats class of 30 students, 20 are enrolled only in statistics and 5 are enrolled only in mathematics: there are 5 students that are enrolled in both statistics and mathematics. (a) For each Monday of the 12 weeks of semester, a student from the class is selected at random to give a class presentation. This is sampling with replacement: use the multinomial distribution to find the...
In a class of 30 students, 8 live in Riverside County. If 5 students are randomly...
In a class of 30 students, 8 live in Riverside County. If 5 students are randomly selected without replacement, find the probability that exactly 2 of them live in Riverside County Binomial Probability
If 12 subjects (6 males and 6 females) are participating in a study.  What is the...
If 12 subjects (6 males and 6 females) are participating in a study.  What is the probability that 6 of the subjects randomly selected for the experiment are female?
A recent study of high school students shows the percentage of females and males who have...
A recent study of high school students shows the percentage of females and males who have at LEAST one notation in their school record for inappropriate behavior. A simple random sample of high school students was interviewed. The students were asked whether they had a notation for inappropriate behavior in their school record. Of the 100 females, 21 answered yes, as did 145 of the 400 males. Part A: Construct and interpret a 99% confidence interval for the difference in...
1- There are 9 students in a class and 1 is female. If she is selected...
1- There are 9 students in a class and 1 is female. If she is selected as class president, which of the following completes a TRUE sentence? We can reject the null hypothesis of no bias in favour of the female student Select one: a. at α = 0.05. b. at α = 0.01. c. at α = 0.15. d. at α = 0.10. 2- Pipefish are present in low numbers in the seagrass beds of Akaroa Harbour. You have...