Purchase Solution

# Probability

Not what you're looking for?

Please specify the terms you use (if necessary) and explain each step of your solutions. Thank you very much.

2. Twenty workers are to be assigned to 20 different jobs, one to each job. How many different assignments are possible?

3. A student is to answer 7 out of 10 questions in an examination. How many choices has she? How many if she must answer at least 3 of the first 5 questions?

4. A dance class consists of 22 students, 10 women and 12 men. If 5 men and 5 women are to be chosen and then paired off, how many results are possible?

##### Solution Summary

This solution is comprised of a detailed explanation to answer how many different assignments are possible, how many choices has she, how many if she must answer at least 3 of the first 5 questions, and how many results are possible.

##### Solution Preview

2. Twenty workers are to be assigned to 20 different jobs, one to each job. How many different assignments are possible?

This is a question of permutation:
(20)P(20) = 20! = 20*19*18*...*2*1 = 2,432,902,008,176,640,000

3. A student is to ...

##### Probability Quiz

Some questions on probability

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

##### Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.