## Exam Information

Login / Sign Up to View Document

## Sample Document Text

Practice test 2 STAT2004 An experiment has three mutually exclusive outcomes P(A) = .35, P(B) = .40, and P(C) =.25. 1. What is the probability that A or B occurs? Ans: .75 2. What is the probability that both B and C occur? Ans:0 3. How many ways can a committee of 3 people be made from a group of 10? Ans: 120 P(A) = .70, P(B) = .20, and P(A intersect B) = .15. 4. What is P(A union B)? Ans: .75 5. What is P(BC)? Ans: .80 6. What is P(A intersect BC)? Ans: .55 P(A) = .60, P(B) = .45, and P(A intersect B) = .30 7. What is P(A|B)? Ans: .66667 8. What is P(B|A)? Ans: .50 9. Are events A and B independent? Ans: No Let X be a binomial variable with n=7 and p=.4. 10. What is the expected number? Ans: 2.8 11. What is the variance? Ans: 1.68 12. What is the probability that x=2? Ans: .2612736 13. What is the probability of at least 2? Ans: .8413696
...

## Related Documents

Following Values Notes

Random Sample Notes

School District Notes

School District Notes

Coefficient of Variation Exam

Class Intervals Notes

The Independent Exam

Unauthorized Exam

Unauthorized Exam

Association Exam

Unauthorized Exam

The Independent Exam

Unauthorized Exam

The Independent Notes

Independent Random Variables Exam

Inquiry Tests Notes

© Copyright 2020 , Koofers, Inc. All rights reserved.

The information provided on this site is protected by U.S. and International copyright law, and other applicable intellectual property laws, including laws covering data access and data compilations. This information is provided exclusively for the personal and academic use of students, instructors and other university personnel. Use of this information for any commercial purpose, or by any commercial entity, is expressly prohibited. This information may not, under any circumstances, be copied, modified, reused, or incorporated into any derivative works or compilations, without the prior written approval of Koofers, Inc.