Math 221 discussion - Study guides, Class notes & Summaries

MATH 221 Week 4 Discussion Post #3

Look online and find an article published within the past 4 weeks that includes a reference to probabilities, means, or standard deviations. These articles might be discussing weather events, investing outcomes, or sports performance, among many other possible topics. Your first post should include a summary of the article and what numbers you are highlighting from that article. Also include a link to the actual article. In your replies to other students, describe specific decisions that the...

Ethics: Find an example of a conditional probability in the news. Was the occurrence of the first event reasonable? Why or whynot?

Describing Residuals: Describe from the textbook as listed in graphics- what does it mean, if anything if residuals are small?

A random sample of 100 medical school applicants at a university has a mean total score of 502 on the MCAT. According to a report, the mean total score for the school’s applicants is more than 499. Assume the population standard deviation is 10.6. At α = 0.01, is there enough evidence to support the report’s claim? (Source: Association of American Medical Colleges)

Joseph and Kandy when we develop a confidence interval (CI) we are computing a rangeofvalues that’s likely to include a population value with a certain degree of confidence. It isan interval that tells us that the population means lies between an upper and lowerinterval.What are commonly used confidence intervals? (Responses to the questionabove)