The random samples for 4 students can be construted from a group of 12 students by COMBINATION
COMBINATION = (12,4) = 12! / [ 4! * (12-4)! ]
=495 ways
From a group of 12 students, we want to select a random sample of 4 students to serve on a...
A statistics class has 26 students. The instructor would like to select a random sample of 3 students to work together on a group project. a. How many different samples are possible? b. If 13 of the 26 students in class are freshmen, what is the probability that all 3 of the selected students are freshmen? Help please
A committee of 4 is selected from a group of 9 faculty and 45 students. In how many different ways can the committee be selected if it must consist of one faculty and three students?
We want to select a committee of five members from a group of seven women and six men. The order of selection is irrelevant. What is the total number of committees we can make?
A committee of 4 students is to be selected from 11 students in a fraternity. a. In how many ways can this be done? b. In how many ways can the group that will not take part be chosen? a. The number of ways to form a 4-student committee is A committee of 4 students is to be selected from 11 students in a fraternity. a. In how many ways can this be done? b. In how many ways can...
Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 58 bank accounts, we want to take a random sample of four accounts in order to learn about the population. How many different random samples of four accounts are possible?
Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 60 bank accounts, we want to take a random sample of nine accounts in order to learn about the population. How many different random samples of nine accounts are possible?
Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 60 bank accounts, we want to take a random sample of six accounts in order to learn about the population. How many different random samples of six accounts are possible?
Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 90 bank accounts, we want to take a random sample of eight accounts in order to learn about the population. How many different random samples of eight accounts are possible?
Simple random sampling uses a sample of size from a population of size to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 75 bank accounts, we want to take a random sample of five accounts in order to learn about the population. How many different random samples of five accounts are possible?
How many different ways are there to select a group of 4 students to work in a soup kitchen?