Sta322 week 3 assignment | Numerical analysis homework help

STA322

Week 3 Assignment

120 Points

 

1. Describe what type of data analysis would use linear correlation coefficients and line of best fits. Describe the benefits of comparing to a line of best fit. (10 points)

2.Raw data is found in the excel file titled “STA322 Week 3 Data – Tab Line of Best Fit.” Calculate the linear correlation coefficient of that data and describe what that information provides. Find the slope and y intercept and list the line of best fit. Take Microsoft Excel and graph this line of best fit, using the “trend” function. Determine how you will implement the results you received to improve the data, base it on a scenario for your career. (30 points)

3. Express the likelihood given as a probability between 0 and 1 for the following (20 points):

a. The Weather Channel stated that we have a 75% chance of being hit by the hurricane.

b. I have a 22% chance of winning the Sweepstakes.

c. When playing Yahtzee, I can roll 1 die and I need a 4. What are my chances?

d. The gender of the new baby being a girl.

4. A survey was taken at a K-6th grade school. Do you have enough time at lunch? Given the table below, answer the following questions (20 points):

 

 

Yes

No

Girls

35

124

Boys

100

62

 

  1. If b represents the event of selecting a response from a boy, find P(Ђ).

  2. Find the probability that the selected answer was made by a girl or was answered no.

  3. If g represents the event of selecting a response from a girl, find P (ḡ).

  4. Find the probability that the selected answer was made by a boy and answered yes.

5. Find the number of ways that 6 Discussion responses can be ordered by calculating 6! (5 points)

6. Find the number of ways that the 5 children can line up to go to recess by calculating 5! (5points)

Use Permutations or Combinations on the next 3 examples:

7. If you are allowed to use numbers 1 – 20 and need to choose the passcode of an exact 4 digit code, how many possibilities are there? (10 points)

8. If there are 25 students in the class and we need to select a President and Secretary for our meetings, how many possibilities are there? (10 points)

9. In playing a card game, I am dealt 6 cards, how many possibilities are there for my hand? (10 points)

 

 

 

 

 

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:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
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
Open chat
Hello, welcome to our site. Kindly send us a message and we will be in contact with you right away. "We are simply the best"