# MATH 221 Statistics for Decision Making Week 2 Homework

## MATH 221 Statistics for Decision Making Week 2 Homework

MATH 221 Statistics for Decision Making Week 2 Homework

Question 1A student believes that there is a 90% probability of getting an A on the next test. This would be considered:

Empirical probability

Manufactured probability

Subjective probability

Classical probability

Question 2Given the following information, find the probability that a randomly selected student will be tall, but not very tall. Number of students who are very short: 45, short: 60, tall: 82, very tall: 21

50.5%

39.4%

10.1%

49.5%

Question 3Given the following information, find the probability that a randomly selected dog will be a golden retriever or a poodle. Number of dogs who are poodles: 31, golden retrievers: 58, beagles: 20, pugs: 38

46.9%

58.0%

39.5%

60.5%

Question 4Given that there is a 28% chance it will rain on any day, what is the probability that it will rain on the first day and be clear (not rain) on the next two days?

20.2%

14.5%

5.6%

34.7%

Question 5Consider the following table. What is the probability of blue?

Red        Blue       Green   Total

Yes         33           44           14           91

No          18           5              28           51

Total      51           49           42           142

44/49

91/142

49/142

51/142

Question 6Consider the following table. What is probability of yes, given green?

Red        Blue       Green   Total

Yes         33           44           14           91

No          18           5              28           51

Total      51           49           42           142

14/91

14/42

51/142

42/142

Question 7A card is randomly selected from a standard deck of 52 cards. What is P(heart)?

13/52

4/52

1/52

26/52

Question 8In a sample of 500 customers, 140 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor?

Homework Help:

2VE: Probabilities of drawing several from many without replacement (Links to an external site.) (1:35)

2DE. Probabilities of drawing several from many without replacement (Links to an external site.) (DOCX)

14.00%

7.80%

28.84%

7.84%

Question 9In a sample of 587 customers, 308 say they are happy with the service. If you select three customers without replacement for a commercial, what is the probability they will all say they are happy with the service?

52.47%

14.38%

14.45%

27.53%

Question 10One event is a father being right handed. The other event is that his daughter is right handed. How would you classify these events?

Independent

Dependent

Click here to ORDER an A++ paper from our Verified MASTERS and DOCTORATE WRITERS: MATH 221 Statistics for Decision Making Week 2 Homework

APA Writing Checklist

Use this document as a checklist for each paper you will write throughout your GCU graduate

program. Follow specific instructions indicated in the assignment and use this checklist to help ensure correct grammar and APA formatting. Refer to the APA resources available in the GCU Library and Student Success Center.

☐ APA paper template (located in the Student Success Center/Writing Center) is utilized for the correct format of the paper. APA style is applied, and format is correct throughout.

☐  The title page is present. APA format is applied correctly. There are no errors.

☐ The introduction is present. APA format is applied correctly. There are no errors.

☐ Topic is well defined.

☐ Strong thesis statement is included in the introduction of the paper.

☐ The thesis statement is consistently threaded throughout the paper and included in the conclusion.

☐ Paragraph development: Each paragraph has an introductory statement, two or three sentences as the body of the paragraph, and a transition sentence to facilitate the flow of information. The sections of the main body are organized to reflect the main points of the author. APA format is applied correctly. There are no errors.

☐ All sources are cited. APA style and format are correctly applied and are free from error.

☐ Sources are completely and correctly documented on a References page, as appropriate to assignment and APA style, and format is free of error.

Scholarly Resources: Scholarly resources are written with a focus on a specific subject discipline and usually written by an expert in the same subject field. Scholarly resources are written for an academic audience.

Examples of Scholarly Resources include: Academic journals, books written by experts in a field, and formally published encyclopedias and dictionaries.

Peer-Reviewed Journals: Peer-reviewed journals are evaluated prior to publication by experts in the journal’s subject discipline. This process ensures that the articles published within the journal are academically rigorous and meet the required expectations of an article in that subject discipline.

Empirical Journal Article: This type of scholarly resource is a subset of scholarly articles that reports the original finding of an observational or experimental research study. Common aspects found within an empirical article include: literature review, methodology, results, and discussion.

Adapted from “Evaluating Resources: Defining Scholarly Resources,” located in Research Guides in the GCU Library.

☐ The writer is clearly in command of standard, written, academic English. Utilize writing resources such as Grammarly, LopesWrite report, and ThinkingStorm to check your writing.

Check Out Also:  MATH 221 Statistics for Decision Making Week 3 Homework