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Suppose the random variable X is normally distributed with the mean m = 130 and standard deviation s = 26. Find out the 10^{th} and 85^{th} percentiles.
Statistics and Probability, Statistics
There are 1000 students in a high school. Among the 1000 students, 150 students take AP Statistics, and 300 students take AP French. 100 students take both AP courses. Let S be the event that a randomly selected student ...
A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spend studying per week. Based on a simple random sample, they surveyed 45 students. The s ...
One thousand people are enrolled in a 10 year cohort study. At the start of the study, 100 have diagnosed CVD. Over the course of the study, 80 people who were free of CVD at baseline develop CVD. What is the cumulative ...
Requirements (The objective is “An analysis of the changes in recorded crime via authority over time”.) Assignment concerns a report on a provided data file and be expected to demonstrate a single variate analysis utilis ...
An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r=0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 ...
1) Find the P value(P= ?) for the indicated hypothesis test with the given standardized test statistic z. Decide whether to reject Ho for the given level of significance. Two tail test, z = 2.30, alpha = 0.01 2) Find th ...
1) Compare and contrast the development of Northern and Southern Europe after the treaty of verdun (has to be a paragraph long, with 3 examples, and answer the following questions: when,who,where, why) 2) Discuss the Pro ...
Suppose that you wanted to study children who have Down syndrome. How might you use cluster sampling to obtain a probability sample of children with Down syndrome in your state?
The premise: a few years have passed, and your survivor group has grown due to the merger with another group of survivors. You still maintain the position as the intellectual of the group because you are a historian. Al ...
The Mixed Methods Approach Through your work in this unit, you have come to understand just how different quantitative and qualitative decision-making techniques are. Perhaps that is why a mixed methods decision-making t ...
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SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless
Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl
DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac
Create a provider database and related reports and queries to capture contact information for potential PC component pro
Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen