View the step-by-step solution to:

Quiz 1 Mat540 1) you are given a bag containing 12 checkers, 5 of which are black.

Quiz 1 Mat540
1) you are given a bag containing 12 checkers, 5 of which are black. You select 3 checkers from the bag without replacing any, what is the probability that you selected 2 black checkers?
2) Sales/mo Probability
10000 0.57512
22000 0.22508
37000 0.08561
Given the data above, what can you credibly say about next month sales?
3) Good little children are rare. Only 2 out 10 qualify. When Santa lands on a house with 3 children , what is the probability that 2 of these children are good?
4) Sales Month
12500 1
13700 2
9800 3
10100 4
11775 5
12905 6
On this basis, How unusual is a month with sales of 15000?
5) Sales/week Probability
100 0.1
125 0.2
150 0.6
175 0.1
Calculate the expected value and standard deviation for the sales?

This question was asked on Apr 06, 2010.

Recently Asked Questions

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors and customizable flashcards—available anywhere, anytime.


Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access or to earn money with our Marketplace.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
  • -


    Browse existing sets or create your own using our digital flashcard system. A simple yet effective studying tool to help you earn the grade that you want!

    Browse Flashcards