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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***
1. The J.O. Supplies Company buys calculators from a Korean supplier. The probability of a defective calculator is 20%. If 14 calculators are selected at random, what is the probability that less than 3 of the calculators will be defective?
Find the equation of the regression line for the given data. What is the predicted value of Y when X = -2? What is the predicted value of Y and find the correlation coefficient between X and Y. Is there a weak or strong, positive or negative corr..
Determine whether the samples are independent or consist of matched pairs (dependent samples). The effectiveness of a new headache medicine is tested by measuring the amount of time before the headache is cured for patients who use the medicine and ..
What is this maximin value
Which value of r indicates a stronger correlation: r=0.793 or r equals=-0.854? Explain your reasoning.
Variable regression model - matrix of independent variables- multiple regression and, in particular.
What is the probability for a Randomly selected person being a male in grade E - how many values are above and below a comparable value.
A vehicle accessory shop is considering buying a new style of wheels for $ 168 and selling them at $ 369.60 for each wheel. Fixed costs related to this new style of wheel amount to $ 2465. It is estimated that 16 wheels per month could be sold. How m..
A criminologist developed a test to measure recidivism, where low scores indicated a lower probability of repeating the undesirable behavior. The test is normed so that it has a mean of 140 and a standard deviation of 40.
My question is on George's T-Shirt. I need someone to direct me on how the decision tree is being made and also an answer to the question. Please what is the decision tree on George's T-Shirt?
A researcher is asked to determine whether or not a productivity objective (in dollars) or better that $75,000 per employee is possible. A productivity test is done involving 20 employees. What conclusion would you reach? The sales results are as fol..
Calculate the p-value for testing H0 versus Ha. Use the p-value to test H0 versus Ha at each of a = .10, .05, .01, and .001. How much evidence is there that H0: m = 20 is false and Ha: m 20 is true?
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