Statistic 500 | Business & Finance homework help



1. Event A occurs with probability 0.2. Event B occurs with probability 0.8. If A and B are disjoint (mutually 

exclusive) then 

a) P(A and B) = 0.16. b) P(A or B) = 1.0. c) P(A and B) = 1.0. d) P(A or B) = 0.16. 

2. A researcher states that the time it takes an adult to complete a certain paper and pencil maze is negatively associated 

with age. This means 

a) above average values of age tend to accompany above average values of time to complete the maze. 

b) below average values of age tend to accompany below average values of time to complete the maze. 

c) below average values of age can be accompanied by either above or below average values of time to complete 

the maze. 

d) above average values of age tend to accompany below average values of time to complete the maze. 

 Use the following to answer question 3: 

A television station is interested in predicting whether voters in its listening area are in favour of federal funding for 

abortions. It asks its viewers to phone in and indicate whether they support or are opposed to this. Of the 2241 

viewers who phoned in, 1574 (70.24%) were opposed to federal funding for abortions. 

3. The sample is 

a) all viewers listening to the show. c) the 1574 viewers who are opposed. 

b) the 2241 viewers who phoned in. d) the 667 viewers who are in favour. 

4. The one-sample t statistic from a sample of n = 19 observations for the two-sided test of 

H0: µ = 6, Ha: µ ≠ 6 

has the value t = 1.93. Based on this information 

a) we would reject the null hypothesis at α = 0.10. 

b) 0.025 < P-value < 0.05. 

c) we would reject the null hypothesis at α = 0.05. 

d) All of the above. 

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