Qnt 275 week 2 exercise


QNT 275 Exercise Week 2


Please answer the following questions using your own words and using the only the attached chapters for reference and in text citations. Answers must be 200 words.


Introductory Statistics Reference:


Mann, P. S. (2016). Introductory Statistics (9th ed.). Retrieved from The University of Phoenix eBook Collection database.




Chapter 4

1. Explain the two properties of probability. Describe an impossible event and a sure event. What is the probability of the occurrence of each of these two events?


2. Explain the three approaches to probability, give one example of each approach. Explain for what kind of experiments we use the classical approach to calculate probabilities of events and for what kind of experiments we use the relative frequency approach.



Chapter 5

3. Explain the meaning of a random variable, a discrete random variable, and a continuous random variable. Give one example each of a discrete random variable and a continuous random variable. Classify each of the following random variables as discrete or continuous:


  1. The time left on a parking meter

  2. The number of bats broken by a major league baseball team in a season

  3. The number of cars in a parking lot at a given time

  4. The price of a car

  5. The number of cars crossing bridge on a given day

  6. The time spent by a physician examining a patient

  7. The number of books in a students bag


4. In a group of households, the national news is watched on one of the following three networks-ABC, CBS, or NBC. On a certain day, five households from this group randomly and independently decide which of these channels to watch. Let x be the number of households among these five that decide to watch news on ABC. Is x a discrete or continuous random variable? Explain. What are the possible values that x can assume?


Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
The price is based on these factors:
Academic level
Number of pages
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Enjoy 10% OFF today with the coupon code: save10