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Thirty out of 167 students have been involved in a violent conflict in the past year.
A) if 90 students reported a violent conflict, what is the standard error of the proportion?
**need equation and calculations***
A box of 14 parts contains 5 that are defective. A worker picks parts one at a time and attempts to install them. Find the probability of each outcome in(a) through(d). (a) The first two chosen are both good.
Suppose that the 33rd percentile of a normal distribution is equal to 656 and that the 97.5th per- centile of this normal distribution is 896. Find the mean m and the standard deviation s of the normal distribution.
Examine the hospital database. Suppose you want to “prove” that the average hospital in the United States averages more than 700 births per year. Use the hospital database as your sample and test this hypothesis. Let alpha be .01. On average, do hosp..
What is the latest possible time that Activity E can be started without delaying the completion of the project and what is the latest time that activity B can start without delaying the project
Regression As a consumer of research, you know that relationships are of critical importance. You must first know if a relationship exists between two variables before you can determine if one variable may account for another. In this week's readings..
Descriptive statistics (5-number summary, mean, mode, range and standard deviation) for each of the four variables along with an explanation of what the descriptive statistics tell us about the motion picture industry.
What results in your departments seem to be correlated or related (either causal or not) to other activities? How could you verify this? What are the managerial implications of a correlation between these variables??
You plan to conduct a marketing experimentin which students are to taste one of two different brands of soft drink. Theirtask is to correctly identify the brand tasted. You select a random sample of200 students and assume that the students have no ab..
Your write-up of this experiment should include your work to determine the n, your methodology, your record of the experiment, your confidence interval, your interpretation of the confidence interval, your formal hypothesis test and your comments ..
A randomized, controlled experiment investigated
Which statistic is used to test a hypothesis a regression equation?Select one:a. t-statisticb. z-statistic
Respond to all of the questions on the Discussion Board and respond to all topics. Your initial post should be at least 100 words and contain references. The 100 word-count excludes the references. In addition, responses to others should be at least5..
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